/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 16:49:12,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 16:49:12,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 16:49:12,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 16:49:12,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 16:49:12,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 16:49:12,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 16:49:12,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 16:49:12,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 16:49:12,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 16:49:12,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 16:49:12,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 16:49:12,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 16:49:12,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 16:49:12,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 16:49:12,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 16:49:12,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 16:49:12,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 16:49:12,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 16:49:12,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 16:49:12,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 16:49:12,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 16:49:12,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 16:49:12,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 16:49:12,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 16:49:12,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 16:49:12,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 16:49:12,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 16:49:12,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:49:12,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 16:49:12,255 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 16:49:12,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 16:49:12,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 16:49:12,256 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 16:49:12,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 16:49:12,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 16:49:12,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 16:49:12,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 16:49:12,423 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 16:49:12,424 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 16:49:12,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2022-02-19 16:49:12,425 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2022-02-19 16:49:12,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 16:49:12,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 16:49:12,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 16:49:12,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 16:49:12,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 16:49:12,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,463 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 16:49:12,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 16:49:12,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 16:49:12,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 16:49:12,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 16:49:12,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 16:49:12,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 16:49:12,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 16:49:12,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 16:49:12,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/1) ... [2022-02-19 16:49:12,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:49:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:12,511 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) [2022-02-19 16:49:12,517 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 [2022-02-19 16:49:12,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 16:49:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 16:49:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 16:49:12,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 16:49:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 16:49:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 16:49:12,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 16:49:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 16:49:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 16:49:12,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 16:49:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 16:49:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 16:49:12,538 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 16:49:12,570 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 16:49:12,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 16:49:12,637 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 16:49:12,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 16:49:12,655 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 16:49:12,660 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:49:12 BoogieIcfgContainer [2022-02-19 16:49:12,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 16:49:12,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 16:49:12,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 16:49:12,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 16:49:12,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:49:12" (1/2) ... [2022-02-19 16:49:12,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2833b3ec and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:49:12, skipping insertion in model container [2022-02-19 16:49:12,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:49:12" (2/2) ... [2022-02-19 16:49:12,670 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2022-02-19 16:49:12,674 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 16:49:12,674 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 16:49:12,674 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 16:49:12,674 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 16:49:12,724 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 16:49:12,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 16:49:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:12,815 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) [2022-02-19 16:49:12,871 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 [2022-02-19 16:49:12,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 16:49:12,887 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 16:49:12,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 16:49:13,004 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 593 transitions and produced 265 states. [2022-02-19 16:49:13,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:13,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash -780755900, now seen corresponding path program 1 times [2022-02-19 16:49:13,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:13,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466747388] [2022-02-19 16:49:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:13,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:49:13,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:13,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466747388] [2022-02-19 16:49:13,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466747388] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:13,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312854702] [2022-02-19 16:49:13,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:13,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:13,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:13,201 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) [2022-02-19 16:49:13,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 16:49:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:13,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 16:49:13,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:49:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:49:13,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:49:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:49:13,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312854702] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:49:13,707 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:49:13,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-02-19 16:49:13,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696762980] [2022-02-19 16:49:13,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:49:13,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-19 16:49:13,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:49:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-19 16:49:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-02-19 16:49:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:13,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:49:13,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 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) [2022-02-19 16:49:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:14,035 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 196 transitions and produced 144 states. [2022-02-19 16:49:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:14,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 16:49:14,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 16:49:14,239 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:14,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1626785502, now seen corresponding path program 2 times [2022-02-19 16:49:14,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:14,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751104981] [2022-02-19 16:49:14,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:14,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:14,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:14,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751104981] [2022-02-19 16:49:14,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751104981] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:14,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396035688] [2022-02-19 16:49:14,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 16:49:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:14,382 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) [2022-02-19 16:49:14,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 16:49:14,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 16:49:14,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:49:14,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 16:49:14,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:49:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:14,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:49:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:14,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396035688] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:49:14,737 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:49:14,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-02-19 16:49:14,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358410133] [2022-02-19 16:49:14,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:49:14,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-19 16:49:14,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:49:14,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-19 16:49:14,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-02-19 16:49:14,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:14,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:49:14,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 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) [2022-02-19 16:49:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:15,063 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207 transitions and produced 155 states. [2022-02-19 16:49:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:15,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 16:49:15,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:15,265 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:15,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1382553216, now seen corresponding path program 3 times [2022-02-19 16:49:15,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:15,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591129641] [2022-02-19 16:49:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:16,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:16,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591129641] [2022-02-19 16:49:16,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591129641] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:16,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948677462] [2022-02-19 16:49:16,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 16:49:16,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:16,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:16,284 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) [2022-02-19 16:49:16,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 16:49:16,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-19 16:49:16,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:49:16,329 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2022-02-19 16:49:16,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:49:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:18,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:18,109 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 90 [2022-02-19 16:49:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:18,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:49:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:20,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:20,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:49:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:49:20,451 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 16:49:20,451 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 13 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 168 treesize of output 238 [2022-02-19 16:49:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:24,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948677462] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:49:24,286 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:49:24,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-02-19 16:49:24,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401752918] [2022-02-19 16:49:24,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:49:24,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-19 16:49:24,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:49:24,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-19 16:49:24,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2193, Unknown=0, NotChecked=0, Total=2550 [2022-02-19 16:49:24,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:24,288 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:49:24,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.803921568627451) internal successors, (92), 51 states have internal predecessors, (92), 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) [2022-02-19 16:49:24,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:24,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:24,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:42,269 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 181 states. [2022-02-19 16:49:42,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:42,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-02-19 16:49:42,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 16:49:42,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:42,471 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:42,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:42,471 INFO L85 PathProgramCache]: Analyzing trace with hash -893231052, now seen corresponding path program 4 times [2022-02-19 16:49:42,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:42,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195763221] [2022-02-19 16:49:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:42,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:42,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:42,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195763221] [2022-02-19 16:49:42,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195763221] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:42,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613150584] [2022-02-19 16:49:42,648 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 16:49:42,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:42,649 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) [2022-02-19 16:49:42,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 16:49:42,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 16:49:42,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:49:42,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 16:49:42,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:49:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:42,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:49:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:43,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613150584] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:49:43,372 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:49:43,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-02-19 16:49:43,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860057580] [2022-02-19 16:49:43,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:49:43,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-19 16:49:43,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:49:43,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-19 16:49:43,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=1804, Unknown=0, NotChecked=0, Total=2256 [2022-02-19 16:49:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:43,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:49:43,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.5625) internal successors, (123), 48 states have internal predecessors, (123), 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) [2022-02-19 16:49:43,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:43,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:43,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-02-19 16:49:43,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:44,527 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 275 transitions and produced 260 states. [2022-02-19 16:49:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-02-19 16:49:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-19 16:49:44,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 16:49:44,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:44,739 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash -178212572, now seen corresponding path program 5 times [2022-02-19 16:49:44,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:44,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086816394] [2022-02-19 16:49:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:44,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:44,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086816394] [2022-02-19 16:49:44,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086816394] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:44,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992020343] [2022-02-19 16:49:44,976 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 16:49:44,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:44,979 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) [2022-02-19 16:49:44,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 16:49:45,025 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-19 16:49:45,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:49:45,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-19 16:49:45,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:49:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:45,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:49:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:46,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992020343] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:49:46,143 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:49:46,143 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-02-19 16:49:46,143 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775766124] [2022-02-19 16:49:46,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:49:46,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-02-19 16:49:46,143 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:49:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-02-19 16:49:46,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=930, Invalid=4040, Unknown=0, NotChecked=0, Total=4970 [2022-02-19 16:49:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:46,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:49:46,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.352112676056338) internal successors, (167), 71 states have internal predecessors, (167), 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) [2022-02-19 16:49:46,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:46,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:46,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-02-19 16:49:46,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-19 16:49:46,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:49:53,276 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2778 transitions and produced 1115 states. [2022-02-19 16:49:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:49:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 16:49:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-02-19 16:49:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-02-19 16:49:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-19 16:49:53,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 16:49:53,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:53,478 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:49:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:49:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash -217299044, now seen corresponding path program 6 times [2022-02-19 16:49:53,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:49:53,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102447377] [2022-02-19 16:49:53,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:49:53,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:49:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:49:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 46 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:49:57,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:49:57,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102447377] [2022-02-19 16:49:57,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102447377] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:49:57,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084806517] [2022-02-19 16:49:57,806 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 16:49:57,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:49:57,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:49:57,807 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) [2022-02-19 16:49:57,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 16:49:57,870 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-19 16:49:57,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:49:57,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 91 conjunts are in the unsatisfiable core [2022-02-19 16:49:57,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:50:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:50:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:13,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:50:14,000 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 16:50:14,001 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 143 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 11 case distinctions, treesize of input 462 treesize of output 332 [2022-02-19 16:50:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:50:21,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:51:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:51:15,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:51:15,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:51:15,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:51:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:51:24,979 WARN L228 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 1120 DAG size of output: 900 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 16:51:24,981 INFO L353 Elim1Store]: treesize reduction 992, result has 67.4 percent of original size [2022-02-19 16:51:24,982 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 61 disjoint index pairs (out of 435 index pairs), introduced 26 new quantified variables, introduced 352 case distinctions, treesize of input 1336 treesize of output 2532 Received shutdown request... [2022-02-19 17:03:14,377 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 17:03:14,379 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 17:03:14,392 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 17:03:14,393 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 [2022-02-19 17:03:14,393 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 [2022-02-19 17:03:14,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 17:03:14,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 17:03:14,579 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 16ms.. [2022-02-19 17:03:14,582 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 17:03:14,582 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 17:03:14,582 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 17:03:14,588 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 17:03:14,589 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 17:03:14,589 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 17:03:14,591 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:03:14 BasicIcfg [2022-02-19 17:03:14,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 17:03:14,593 INFO L158 Benchmark]: Toolchain (without parser) took 842150.74ms. Allocated memory was 273.7MB in the beginning and 714.1MB in the end (delta: 440.4MB). Free memory was 238.5MB in the beginning and 552.4MB in the end (delta: -313.8MB). Peak memory consumption was 453.2MB. Max. memory is 8.0GB. [2022-02-19 17:03:14,593 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 273.7MB. Free memory is still 239.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 17:03:14,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.02ms. Allocated memory is still 273.7MB. Free memory was 238.5MB in the beginning and 237.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 17:03:14,595 INFO L158 Benchmark]: Boogie Preprocessor took 16.54ms. Allocated memory is still 273.7MB. Free memory was 237.0MB in the beginning and 236.0MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 17:03:14,596 INFO L158 Benchmark]: RCFGBuilder took 178.03ms. Allocated memory is still 273.7MB. Free memory was 235.9MB in the beginning and 226.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 17:03:14,597 INFO L158 Benchmark]: TraceAbstraction took 841929.81ms. Allocated memory was 273.7MB in the beginning and 714.1MB in the end (delta: 440.4MB). Free memory was 225.4MB in the beginning and 552.4MB in the end (delta: -327.0MB). Peak memory consumption was 439.6MB. Max. memory is 8.0GB. [2022-02-19 17:03:14,598 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 0.11ms. Allocated memory is still 273.7MB. Free memory is still 239.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.02ms. Allocated memory is still 273.7MB. Free memory was 238.5MB in the beginning and 237.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.54ms. Allocated memory is still 273.7MB. Free memory was 237.0MB in the beginning and 236.0MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 178.03ms. Allocated memory is still 273.7MB. Free memory was 235.9MB in the beginning and 226.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 841929.81ms. Allocated memory was 273.7MB in the beginning and 714.1MB in the end (delta: 440.4MB). Free memory was 225.4MB in the beginning and 552.4MB in the end (delta: -327.0MB). Peak memory consumption was 439.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 16ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 16ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 16ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 16ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 841.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 27.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 410, 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, 12.1s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 9784 SizeOfPredicates, 40 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 503/1011 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