/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 11:16:03,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 11:16:03,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 11:16:03,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 11:16:03,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 11:16:03,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 11:16:03,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 11:16:03,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 11:16:03,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 11:16:03,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 11:16:03,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 11:16:03,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 11:16:03,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 11:16:03,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 11:16:03,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 11:16:03,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 11:16:03,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 11:16:03,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 11:16:03,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 11:16:03,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 11:16:03,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 11:16:03,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 11:16:03,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 11:16:03,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 11:16:03,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 11:16:03,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 11:16:03,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 11:16:03,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 11:16:03,838 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-wrwc.epf [2022-02-19 11:16:03,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 11:16:03,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 11:16:03,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 11:16:03,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 11:16:03,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 11:16:03,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 11:16:03,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 11:16:03,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 11:16:03,861 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 11:16:03,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 11:16:03,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 11:16:03,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 11:16:03,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:16:03,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 11:16:03,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 11:16:03,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 11:16:03,864 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 11:16:03,864 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 11:16:03,864 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 11:16:03,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 11:16:04,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 11:16:04,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 11:16:04,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 11:16:04,041 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 11:16:04,041 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 11:16:04,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2022-02-19 11:16:04,042 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2022-02-19 11:16:04,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 11:16:04,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 11:16:04,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 11:16:04,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 11:16:04,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 11:16:04,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,090 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 11:16:04,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 11:16:04,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 11:16:04,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 11:16:04,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 11:16:04,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 11:16:04,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 11:16:04,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 11:16:04,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 11:16:04,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/1) ... [2022-02-19 11:16:04,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:16:04,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:04,127 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 11:16:04,141 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 11:16:04,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 11:16:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 11:16:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 11:16:04,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 11:16:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 11:16:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 11:16:04,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 11:16:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 11:16:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 11:16:04,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 11:16:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 11:16:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 11:16:04,156 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 11:16:04,188 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 11:16:04,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 11:16:04,272 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 11:16:04,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 11:16:04,285 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 11:16:04,286 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:16:04 BoogieIcfgContainer [2022-02-19 11:16:04,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 11:16:04,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 11:16:04,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 11:16:04,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 11:16:04,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:16:04" (1/2) ... [2022-02-19 11:16:04,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2246704f and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:16:04, skipping insertion in model container [2022-02-19 11:16:04,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:16:04" (2/2) ... [2022-02-19 11:16:04,304 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2022-02-19 11:16:04,308 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 11:16:04,308 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 11:16:04,308 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 11:16:04,308 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 11:16:04,346 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 11:16:04,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 11:16:04,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:04,388 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 11:16:04,389 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 11:16:04,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 11:16:04,425 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=false [2022-02-19 11:16:04,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 11:16:12,836 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67586 transitions and produced 21468 states. [2022-02-19 11:16:12,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:12,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1406237772, now seen corresponding path program 1 times [2022-02-19 11:16:12,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:12,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102570817] [2022-02-19 11:16:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:12,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-02-19 11:16:13,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:13,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102570817] [2022-02-19 11:16:13,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102570817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 11:16:13,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 11:16:13,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 11:16:13,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018510463] [2022-02-19 11:16:13,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 11:16:13,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 11:16:13,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 11:16:13,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 11:16:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:13,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:13,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 11:16:13,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:13,556 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 338 transitions and produced 244 states. [2022-02-19 11:16:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:13,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 11:16:13,557 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1195734292, now seen corresponding path program 2 times [2022-02-19 11:16:13,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:13,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126901403] [2022-02-19 11:16:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-02-19 11:16:13,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:13,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126901403] [2022-02-19 11:16:13,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126901403] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 11:16:13,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 11:16:13,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 11:16:13,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921514809] [2022-02-19 11:16:13,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 11:16:13,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 11:16:13,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:13,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 11:16:13,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 11:16:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:13,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:13,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 11:16:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:13,701 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 243 transitions and produced 205 states. [2022-02-19 11:16:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:13,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 11:16:13,703 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:13,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:13,703 INFO L85 PathProgramCache]: Analyzing trace with hash 285669682, now seen corresponding path program 1 times [2022-02-19 11:16:13,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:13,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733903100] [2022-02-19 11:16:13,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:13,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-19 11:16:13,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:13,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733903100] [2022-02-19 11:16:13,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733903100] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:13,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731091758] [2022-02-19 11:16:13,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:13,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:13,848 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 11:16:13,849 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 11:16:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:13,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 11:16:13,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-02-19 11:16:14,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-02-19 11:16:14,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731091758] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:14,244 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:14,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-02-19 11:16:14,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613573828] [2022-02-19 11:16:14,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:14,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-19 11:16:14,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:14,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-19 11:16:14,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-02-19 11:16:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:14,248 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:14,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 14 states have internal predecessors, (65), 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 11:16:14,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:14,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:14,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:14,538 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 284 transitions and produced 231 states. [2022-02-19 11:16:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:14,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 11:16:14,751 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,SelfDestructingSolverStorable2 [2022-02-19 11:16:14,752 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:14,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:14,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1420438832, now seen corresponding path program 2 times [2022-02-19 11:16:14,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:14,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836918268] [2022-02-19 11:16:14,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 92 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-19 11:16:14,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:14,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836918268] [2022-02-19 11:16:14,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836918268] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:14,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711096732] [2022-02-19 11:16:14,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 11:16:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:14,852 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 11:16:14,853 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 11:16:14,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 11:16:14,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:16:14,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 11:16:14,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:15,048 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 65 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-02-19 11:16:15,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 65 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-02-19 11:16:15,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711096732] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:15,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:15,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2022-02-19 11:16:15,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892805683] [2022-02-19 11:16:15,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:15,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-19 11:16:15,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:15,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-19 11:16:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-02-19 11:16:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:15,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:15,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 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 11:16:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:15,441 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 295 transitions and produced 242 states. [2022-02-19 11:16:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:15,463 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 11:16:15,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:15,659 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:15,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:15,661 INFO L85 PathProgramCache]: Analyzing trace with hash -313213714, now seen corresponding path program 3 times [2022-02-19 11:16:15,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:15,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13184157] [2022-02-19 11:16:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:15,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 52 proven. 64 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 11:16:15,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:15,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13184157] [2022-02-19 11:16:15,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13184157] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:15,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100674571] [2022-02-19 11:16:15,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 11:16:15,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:15,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:15,819 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 11:16:15,820 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 11:16:15,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-19 11:16:15,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:16:15,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 11:16:15,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 68 proven. 22 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 11:16:16,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 68 proven. 22 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 11:16:16,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100674571] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:16,129 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:16,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2022-02-19 11:16:16,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47810208] [2022-02-19 11:16:16,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:16,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-19 11:16:16,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:16,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-19 11:16:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2022-02-19 11:16:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:16,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:16,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.208333333333333) internal successors, (101), 24 states have internal predecessors, (101), 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 11:16:16,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:16,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:16,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:16,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:16,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:23,969 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45877 transitions and produced 15162 states. [2022-02-19 11:16:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:23,986 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 11:16:24,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:24,178 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:24,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2054988680, now seen corresponding path program 4 times [2022-02-19 11:16:24,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:24,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015814024] [2022-02-19 11:16:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 11:16:24,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:24,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015814024] [2022-02-19 11:16:24,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015814024] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:24,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292856741] [2022-02-19 11:16:24,256 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 11:16:24,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:24,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:24,258 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 11:16:24,282 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 11:16:24,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 11:16:24,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:16:24,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 11:16:24,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 11:16:24,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 11:16:24,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292856741] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:24,459 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:24,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2022-02-19 11:16:24,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845187474] [2022-02-19 11:16:24,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:24,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 11:16:24,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:24,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 11:16:24,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-02-19 11:16:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:24,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:24,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 12 states have internal predecessors, (50), 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 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:28,505 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28651 transitions and produced 9099 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 11:16:28,524 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 11:16:28,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:28,716 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:28,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:28,716 INFO L85 PathProgramCache]: Analyzing trace with hash -753270682, now seen corresponding path program 5 times [2022-02-19 11:16:28,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:28,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426039732] [2022-02-19 11:16:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 79 proven. 94 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-19 11:16:28,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:28,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426039732] [2022-02-19 11:16:28,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426039732] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:28,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985400961] [2022-02-19 11:16:28,841 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 11:16:28,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:28,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:28,842 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 11:16:28,843 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 11:16:28,953 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-02-19 11:16:28,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:16:28,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 11:16:28,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 36 proven. 170 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-19 11:16:29,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 36 proven. 170 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-19 11:16:29,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985400961] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:29,338 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:29,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 28 [2022-02-19 11:16:29,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906187161] [2022-02-19 11:16:29,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:29,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-19 11:16:29,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-19 11:16:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2022-02-19 11:16:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:29,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:29,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 28 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 11:16:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:57,766 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 181962 transitions and produced 50772 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 11:16:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-19 11:16:57,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 11:16:57,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:57,981 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:57,982 INFO L85 PathProgramCache]: Analyzing trace with hash -348966560, now seen corresponding path program 6 times [2022-02-19 11:16:57,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:57,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320379104] [2022-02-19 11:16:57,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:16:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:16:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 70 proven. 36 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-19 11:16:58,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:16:58,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320379104] [2022-02-19 11:16:58,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320379104] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:16:58,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446263642] [2022-02-19 11:16:58,139 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 11:16:58,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:58,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:16:58,140 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 11:16:58,141 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 11:16:58,200 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-19 11:16:58,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:16:58,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 11:16:58,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:16:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 70 proven. 49 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 11:16:58,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:16:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 70 proven. 49 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 11:16:58,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446263642] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:16:58,508 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:16:58,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 24 [2022-02-19 11:16:58,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200566314] [2022-02-19 11:16:58,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:16:58,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-19 11:16:58,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:16:58,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-19 11:16:58,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2022-02-19 11:16:58,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:58,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:16:58,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.52) internal successors, (88), 24 states have internal predecessors, (88), 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 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-19 11:16:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:16:59,718 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3315 transitions and produced 1425 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-19 11:16:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-19 11:16:59,735 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 11:16:59,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:16:59,923 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:16:59,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:16:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash -923350782, now seen corresponding path program 7 times [2022-02-19 11:16:59,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:16:59,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721920457] [2022-02-19 11:16:59,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:16:59,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:17:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-02-19 11:30:37,296 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 11:30:37,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 11:30:37,297 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-38-3-34-3-31-3-28-3-31-3-31-3-31-3-31-3-28-3-28-3-28-3-28-3-26-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-22-3-22-3-22-3-22-3-22-3-21-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-13-3-13-3-13-3-13-3-6-3-6-3-3-3-3-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-19 11:30:37,299 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 11:30:37,299 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 11:30:37,300 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 11:30:37,301 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 11:30:37,301 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 11:30:37,304 INFO L732 BasicCegarLoop]: Path program histogram: [7, 2] [2022-02-19 11:30:37,306 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 11:30:37,306 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 11:30:37,307 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:30:37 BasicIcfg [2022-02-19 11:30:37,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 11:30:37,308 INFO L158 Benchmark]: Toolchain (without parser) took 873236.29ms. Allocated memory was 196.1MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 160.9MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-02-19 11:30:37,308 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 162.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 11:30:37,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.71ms. Allocated memory is still 196.1MB. Free memory was 160.9MB in the beginning and 159.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:30:37,308 INFO L158 Benchmark]: Boogie Preprocessor took 10.45ms. Allocated memory is still 196.1MB. Free memory was 159.2MB in the beginning and 158.3MB in the end (delta: 908.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:30:37,309 INFO L158 Benchmark]: RCFGBuilder took 183.89ms. Allocated memory is still 196.1MB. Free memory was 158.2MB in the beginning and 148.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 11:30:37,309 INFO L158 Benchmark]: TraceAbstraction took 873019.84ms. Allocated memory was 196.1MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 147.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-02-19 11:30:37,310 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 196.1MB. Free memory is still 162.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.71ms. Allocated memory is still 196.1MB. Free memory was 160.9MB in the beginning and 159.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.45ms. Allocated memory is still 196.1MB. Free memory was 159.2MB in the beginning and 158.3MB in the end (delta: 908.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 183.89ms. Allocated memory is still 196.1MB. Free memory was 158.2MB in the beginning and 148.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 873019.84ms. Allocated memory was 196.1MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 147.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 3.8GB. 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: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-38-3-34-3-31-3-28-3-31-3-31-3-31-3-31-3-28-3-28-3-28-3-28-3-26-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-22-3-22-3-22-3-22-3-22-3-21-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-13-3-13-3-13-3-13-3-6-3-6-3-3-3-3-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 69 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-38-3-34-3-31-3-28-3-31-3-31-3-31-3-31-3-28-3-28-3-28-3-28-3-26-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-22-3-22-3-22-3-22-3-22-3-21-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-13-3-13-3-13-3-13-3-6-3-6-3-3-3-3-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 68]: 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 69 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-38-3-34-3-31-3-28-3-31-3-31-3-31-3-31-3-28-3-28-3-28-3-28-3-26-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-22-3-22-3-22-3-22-3-22-3-21-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-13-3-13-3-13-3-13-3-6-3-6-3-3-3-3-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 69 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-38-3-34-3-31-3-28-3-31-3-31-3-31-3-31-3-28-3-28-3-28-3-28-3-26-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-23-3-22-3-22-3-22-3-22-3-22-3-21-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-18-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-15-3-13-3-13-3-13-3-13-3-6-3-6-3-3-3-3-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 872.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 50.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 206, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 845 NumberOfCodeBlocks, 838 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 3818 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1047 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 2129/2926 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