/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/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 05:04:17,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 05:04:17,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 05:04:17,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 05:04:17,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 05:04:17,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 05:04:17,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 05:04:17,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 05:04:17,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 05:04:17,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 05:04:17,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 05:04:17,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 05:04:17,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 05:04:17,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 05:04:17,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 05:04:17,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 05:04:17,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 05:04:17,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 05:04:17,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 05:04:17,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 05:04:17,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 05:04:17,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 05:04:17,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 05:04:17,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 05:04:17,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 05:04:17,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 05:04:17,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 05:04:17,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 05:04:17,698 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 [2022-03-02 05:04:17,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 05:04:17,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 05:04:17,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 05:04:17,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 05:04:17,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 05:04:17,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 05:04:17,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 05:04:17,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 05:04:17,732 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 05:04:17,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 05:04:17,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 05:04:17,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 05:04:17,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 05:04:17,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 05:04:17,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:04:17,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 05:04:17,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 05:04:17,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 05:04:17,737 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 05:04:17,737 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 05:04:17,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 05:04:17,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 05:04:17,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 05:04:17,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 05:04:17,987 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 05:04:17,990 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 05:04:17,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2022-03-02 05:04:17,991 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2022-03-02 05:04:18,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 05:04:18,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 05:04:18,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 05:04:18,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 05:04:18,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 05:04:18,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,037 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 05:04:18,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 05:04:18,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 05:04:18,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 05:04:18,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 05:04:18,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 05:04:18,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 05:04:18,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 05:04:18,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 05:04:18,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/1) ... [2022-03-02 05:04:18,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:04:18,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:18,084 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) [2022-03-02 05:04:18,101 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 [2022-03-02 05:04:18,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 05:04:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 05:04:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 05:04:18,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 05:04:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 05:04:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 05:04:18,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 05:04:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 05:04:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 05:04:18,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 05:04:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 05:04:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 05:04:18,128 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 05:04:18,166 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 05:04:18,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 05:04:18,285 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 05:04:18,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 05:04:18,297 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 05:04:18,299 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:04:18 BoogieIcfgContainer [2022-03-02 05:04:18,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 05:04:18,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 05:04:18,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 05:04:18,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 05:04:18,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:18" (1/2) ... [2022-03-02 05:04:18,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ad695e and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 05:04:18, skipping insertion in model container [2022-03-02 05:04:18,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:04:18" (2/2) ... [2022-03-02 05:04:18,314 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2022-03-02 05:04:18,321 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 05:04:18,321 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 05:04:18,322 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 05:04:18,322 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 05:04:18,372 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 05:04:18,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 05:04:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:18,411 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) [2022-03-02 05:04:18,413 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 [2022-03-02 05:04:18,459 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 05:04:18,467 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 [2022-03-02 05:04:18,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 05:04:18,619 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-02 05:04:18,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:18,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:18,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-02 05:04:18,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:18,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682589666] [2022-03-02 05:04:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:18,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:19,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:19,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682589666] [2022-03-02 05:04:19,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682589666] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:19,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175107935] [2022-03-02 05:04:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:19,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:19,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:19,152 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) [2022-03-02 05:04:19,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 05:04:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:19,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 05:04:19,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 05:04:19,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 05:04:19,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175107935] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:19,775 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:19,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-02 05:04:19,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823228959] [2022-03-02 05:04:19,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:19,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 05:04:19,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:19,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 05:04:19,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-02 05:04:19,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:19,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:19,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 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) [2022-03-02 05:04:19,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:20,305 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-02 05:04:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:20,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 05:04:20,519 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 [2022-03-02 05:04:20,520 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:20,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:20,521 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-02 05:04:20,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:20,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772644236] [2022-03-02 05:04:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:20,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:20,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:20,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772644236] [2022-03-02 05:04:20,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772644236] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:20,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971380035] [2022-03-02 05:04:20,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 05:04:20,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:20,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:20,751 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) [2022-03-02 05:04:20,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 05:04:20,788 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 05:04:20,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:20,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 05:04:20,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 05:04:21,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 05:04:21,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971380035] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:21,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:21,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-02 05:04:21,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001957727] [2022-03-02 05:04:21,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:21,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 05:04:21,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:21,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 05:04:21,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-02 05:04:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:21,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:21,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 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) [2022-03-02 05:04:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:21,695 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-02 05:04:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:21,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:21,915 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 [2022-03-02 05:04:21,916 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:21,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-02 05:04:21,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:21,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639942546] [2022-03-02 05:04:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:21,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:04:22,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:22,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639942546] [2022-03-02 05:04:22,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639942546] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:22,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816907887] [2022-03-02 05:04:22,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 05:04:22,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:22,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:22,053 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) [2022-03-02 05:04:22,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 05:04:22,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 05:04:22,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:22,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 05:04:22,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:04:22,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:04:22,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816907887] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:22,674 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:22,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-02 05:04:22,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200316893] [2022-03-02 05:04:22,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:22,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-02 05:04:22,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:22,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-02 05:04:22,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-02 05:04:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:22,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:22,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 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) [2022-03-02 05:04:22,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:22,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:22,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:23,180 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-02 05:04:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:04:23,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:23,382 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 [2022-03-02 05:04:23,383 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:23,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-03-02 05:04:23,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:23,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123828276] [2022-03-02 05:04:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:23,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:23,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:23,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123828276] [2022-03-02 05:04:23,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123828276] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:23,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771223735] [2022-03-02 05:04:23,613 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 05:04:23,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:23,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:23,615 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) [2022-03-02 05:04:23,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 05:04:23,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 05:04:23,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 05:04:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:04:24,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:24,640 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:04:24,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771223735] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:24,641 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:24,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-02 05:04:24,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886486959] [2022-03-02 05:04:24,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:24,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-02 05:04:24,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:24,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-02 05:04:24,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-02 05:04:24,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:24,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:24,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 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) [2022-03-02 05:04:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:04:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:25,246 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-02 05:04:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:04:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:04:25,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:25,447 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 [2022-03-02 05:04:25,447 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-03-02 05:04:25,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:25,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021712399] [2022-03-02 05:04:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:25,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:25,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021712399] [2022-03-02 05:04:25,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021712399] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:25,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137112632] [2022-03-02 05:04:25,700 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 05:04:25,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:25,701 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) [2022-03-02 05:04:25,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 05:04:25,751 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-02 05:04:25,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:25,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 05:04:25,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:26,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:26,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137112632] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:26,925 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:26,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-02 05:04:26,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074376235] [2022-03-02 05:04:26,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:26,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-02 05:04:26,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-02 05:04:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-02 05:04:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:26,928 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:26,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 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) [2022-03-02 05:04:26,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:26,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:26,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:04:26,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:04:26,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:27,848 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-02 05:04:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:04:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:04:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:04:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-02 05:04:27,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:28,050 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 [2022-03-02 05:04:28,050 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:28,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-03-02 05:04:28,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:28,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342570146] [2022-03-02 05:04:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:28,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:30,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:30,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342570146] [2022-03-02 05:04:30,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342570146] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:30,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258653528] [2022-03-02 05:04:30,021 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 05:04:30,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:30,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:30,024 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) [2022-03-02 05:04:30,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 05:04:30,080 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-02 05:04:30,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:30,082 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-02 05:04:30,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:33,192 INFO L244 Elim1Store]: Index analysis took 117 ms [2022-03-02 05:04:33,396 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 05:04:33,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 135 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 101 treesize of output 431 [2022-03-02 05:04:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:34,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:38,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:38,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:38,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:38,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:38,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:38,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:41,269 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-03-02 05:04:41,270 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 49 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 144 case distinctions, treesize of input 215 treesize of output 1020 Received shutdown request... [2022-03-02 05:18:42,597 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 05:18:42,605 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 [2022-03-02 05:18:42,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 05:18:42,617 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 [2022-03-02 05:18:42,617 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 [2022-03-02 05:18:42,798 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 [2022-03-02 05:18:42,798 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 999 of 8192 xjuncts. [2022-03-02 05:18:42,799 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 05:18:42,799 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 05:18:42,800 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 05:18:42,804 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 05:18:42,806 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:18:42,806 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:18:42,808 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:18:42 BasicIcfg [2022-03-02 05:18:42,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:18:42,809 INFO L158 Benchmark]: Toolchain (without parser) took 864792.96ms. Allocated memory was 177.2MB in the beginning and 610.3MB in the end (delta: 433.1MB). Free memory was 135.4MB in the beginning and 355.5MB in the end (delta: -220.1MB). Peak memory consumption was 383.6MB. Max. memory is 8.0GB. [2022-03-02 05:18:42,809 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:18:42,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.77ms. Allocated memory is still 177.2MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:18:42,810 INFO L158 Benchmark]: Boogie Preprocessor took 15.68ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 980.5kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 05:18:42,810 INFO L158 Benchmark]: RCFGBuilder took 241.96ms. Allocated memory is still 177.2MB. Free memory was 132.9MB in the beginning and 123.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 05:18:42,811 INFO L158 Benchmark]: TraceAbstraction took 864501.33ms. Allocated memory was 177.2MB in the beginning and 610.3MB in the end (delta: 433.1MB). Free memory was 123.0MB in the beginning and 355.5MB in the end (delta: -232.4MB). Peak memory consumption was 371.1MB. Max. memory is 8.0GB. [2022-03-02 05:18:42,816 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 0.13ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.77ms. Allocated memory is still 177.2MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 15.68ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 980.5kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 241.96ms. Allocated memory is still 177.2MB. Free memory was 132.9MB in the beginning and 123.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864501.33ms. Allocated memory was 177.2MB in the beginning and 610.3MB in the end (delta: 433.1MB). Free memory was 123.0MB in the beginning and 355.5MB in the end (delta: -232.4MB). Peak memory consumption was 371.1MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 999 of 8192 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 999 of 8192 xjuncts. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 999 of 8192 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 999 of 8192 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 864.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 162, 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, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 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