/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.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-820ea7a [2022-02-20 04:40:11,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:40:11,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:40:11,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:40:11,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:40:11,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:40:11,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:40:11,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:40:11,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:40:11,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:40:11,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:40:11,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:40:11,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:40:11,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:40:11,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:40:11,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:40:11,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:40:11,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:40:11,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:40:11,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:40:11,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:40:11,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:40:11,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:40:11,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:40:11,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:40:11,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:40:11,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:40:11,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:40:11,612 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.epf [2022-02-20 04:40:11,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:40:11,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:40:11,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:40:11,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:40:11,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:40:11,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:40:11,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:40:11,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:40:11,645 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:40:11,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:40:11,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:40:11,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:40:11,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:40:11,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:40:11,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:40:11,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:40:11,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:40:11,648 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:40:11,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:40:11,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:40:11,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:40:11,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:40:11,836 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:40:11,837 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:40:11,838 INFO L432 ainManager$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 [2022-02-20 04:40:11,838 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2022-02-20 04:40:11,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:40:11,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:40:11,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:40:11,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:40:11,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:40:11,871 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 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,876 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 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,881 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:40:11,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:40:11,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:40:11,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:40:11,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:40:11,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:40:11,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:40:11,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:40:11,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:40:11,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/1) ... [2022-02-20 04:40:11,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:40:11,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:11,966 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) [2022-02-20 04:40:11,987 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 [2022-02-20 04:40:12,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:40:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:40:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:40:12,003 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:40:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:40:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:40:12,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:40:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:40:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:40:12,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:40:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:40:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:40:12,005 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:40:12,047 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:40:12,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:40:12,117 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:40:12,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:40:12,148 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:40:12,150 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:40:12 BoogieIcfgContainer [2022-02-20 04:40:12,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:40:12,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:40:12,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:40:12,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:40:12,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:11" (1/2) ... [2022-02-20 04:40:12,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271a43f0 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:40:12, skipping insertion in model container [2022-02-20 04:40:12,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:40:12" (2/2) ... [2022-02-20 04:40:12,175 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2022-02-20 04:40:12,179 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:40:12,179 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:40:12,179 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:40:12,179 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:40:12,230 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:40:12,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:40:12,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:12,268 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) [2022-02-20 04:40:12,279 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 [2022-02-20 04:40:12,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:40:12,303 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=true, mMcrOverapproximateWrwc=true [2022-02-20 04:40:12,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:40:12,404 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-02-20 04:40:12,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:12,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-02-20 04:40:12,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:12,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488989563] [2022-02-20 04:40:12,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:12,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:12,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:12,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488989563] [2022-02-20 04:40:12,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488989563] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:12,791 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731021909] [2022-02-20 04:40:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:12,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:12,796 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) [2022-02-20 04:40:12,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:40:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:12,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:40:12,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:13,132 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:40:13,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:40:13,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731021909] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:13,339 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:13,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-02-20 04:40:13,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205557671] [2022-02-20 04:40:13,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:13,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 04:40:13,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:13,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 04:40:13,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-02-20 04:40:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:13,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:13,370 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) [2022-02-20 04:40:13,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:13,783 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-02-20 04:40:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:13,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:14,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 04:40:14,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:14,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-02-20 04:40:14,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:14,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691613305] [2022-02-20 04:40:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:14,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:14,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691613305] [2022-02-20 04:40:14,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691613305] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:14,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303252762] [2022-02-20 04:40:14,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:40:14,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:14,212 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) [2022-02-20 04:40:14,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:40:14,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:40:14,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:14,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 04:40:14,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:40:14,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:40:14,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303252762] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:14,649 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:14,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-02-20 04:40:14,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515917740] [2022-02-20 04:40:14,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:14,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 04:40:14,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:14,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 04:40:14,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-02-20 04:40:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:14,654 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:14,655 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) [2022-02-20 04:40:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:15,013 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-02-20 04:40:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:15,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 04:40:15,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:15,233 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:15,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-02-20 04:40:15,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:15,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941567385] [2022-02-20 04:40:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:15,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:15,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941567385] [2022-02-20 04:40:15,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941567385] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:15,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008254731] [2022-02-20 04:40:15,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:40:15,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:15,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:15,356 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) [2022-02-20 04:40:15,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:40:15,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-20 04:40:15,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:15,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 04:40:15,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:40:15,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:40:15,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008254731] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:15,890 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:15,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-02-20 04:40:15,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459970001] [2022-02-20 04:40:15,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:15,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 04:40:15,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:15,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 04:40:15,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 04:40:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:15,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:15,892 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) [2022-02-20 04:40:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:15,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:16,336 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-02-20 04:40:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:16,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:16,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:16,538 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:16,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-02-20 04:40:16,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:16,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305383889] [2022-02-20 04:40:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:16,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:16,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:16,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305383889] [2022-02-20 04:40:16,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305383889] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:16,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076766472] [2022-02-20 04:40:16,793 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:40:16,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:16,794 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) [2022-02-20 04:40:16,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:40:16,839 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:40:16,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:16,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-20 04:40:16,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:17,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:17,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076766472] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:17,678 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:17,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-02-20 04:40:17,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166263360] [2022-02-20 04:40:17,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:17,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-20 04:40:17,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:17,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-20 04:40:17,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-02-20 04:40:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:17,680 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:17,681 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) [2022-02-20 04:40:17,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:17,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:17,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:17,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:18,252 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-02-20 04:40:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:18,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:18,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:18,453 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:18,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-02-20 04:40:18,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:18,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417485005] [2022-02-20 04:40:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:18,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:18,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417485005] [2022-02-20 04:40:18,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417485005] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:18,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332436549] [2022-02-20 04:40:18,655 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:40:18,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:18,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:18,656 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) [2022-02-20 04:40:18,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:40:18,696 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-20 04:40:18,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-20 04:40:18,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:19,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:19,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332436549] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:19,742 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:19,742 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-20 04:40:19,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865625950] [2022-02-20 04:40:19,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:19,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-20 04:40:19,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:19,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-20 04:40:19,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-02-20 04:40:19,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:19,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:19,745 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) [2022-02-20 04:40:19,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:19,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:19,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:19,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:19,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:20,588 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-02-20 04:40:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-20 04:40:20,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:20,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:20,800 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:20,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-02-20 04:40:20,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:20,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117295997] [2022-02-20 04:40:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:20,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:22,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:22,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117295997] [2022-02-20 04:40:22,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117295997] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:22,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080494952] [2022-02-20 04:40:22,463 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:40:22,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:22,464 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) [2022-02-20 04:40:22,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:40:22,511 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-02-20 04:40:22,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:22,513 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-02-20 04:40:22,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:25,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:25,448 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-02-20 04:40:25,658 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:40:25,659 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 [2022-02-20 04:40:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:26,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:30,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:30,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:30,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:30,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:30,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:30,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:33,390 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-02-20 04:40:33,391 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... [2022-02-20 04:54:44,113 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:54:44,126 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 [2022-02-20 04:54:44,127 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:54:44,126 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 [2022-02-20 04:54:44,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 04:54:44,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:54:44,315 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 8028 of 8192 xjuncts. [2022-02-20 04:54:44,317 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:54:44,317 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:54:44,317 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:54:44,320 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:54:44,323 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:54:44,323 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:54:44,324 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:54:44 BasicIcfg [2022-02-20 04:54:44,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:54:44,324 INFO L158 Benchmark]: Toolchain (without parser) took 872469.68ms. Allocated memory was 222.3MB in the beginning and 728.8MB in the end (delta: 506.5MB). Free memory was 183.2MB in the beginning and 678.8MB in the end (delta: -495.6MB). Peak memory consumption was 454.0MB. Max. memory is 8.0GB. [2022-02-20 04:54:44,325 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 222.3MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:54:44,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.40ms. Allocated memory is still 222.3MB. Free memory was 183.1MB in the beginning and 181.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-20 04:54:44,327 INFO L158 Benchmark]: Boogie Preprocessor took 19.39ms. Allocated memory is still 222.3MB. Free memory was 181.5MB in the beginning and 180.6MB in the end (delta: 904.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:54:44,327 INFO L158 Benchmark]: RCFGBuilder took 247.74ms. Allocated memory is still 222.3MB. Free memory was 180.5MB in the beginning and 171.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:54:44,328 INFO L158 Benchmark]: TraceAbstraction took 872172.15ms. Allocated memory was 222.3MB in the beginning and 728.8MB in the end (delta: 506.5MB). Free memory was 170.8MB in the beginning and 678.8MB in the end (delta: -508.0MB). Peak memory consumption was 440.4MB. Max. memory is 8.0GB. [2022-02-20 04:54:44,331 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 222.3MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.40ms. Allocated memory is still 222.3MB. Free memory was 183.1MB in the beginning and 181.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.39ms. Allocated memory is still 222.3MB. Free memory was 181.5MB in the beginning and 180.6MB in the end (delta: 904.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 247.74ms. Allocated memory is still 222.3MB. Free memory was 180.5MB in the beginning and 171.3MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 872172.15ms. Allocated memory was 222.3MB in the beginning and 728.8MB in the end (delta: 506.5MB). Free memory was 170.8MB in the beginning and 678.8MB in the end (delta: -508.0MB). Peak memory consumption was 440.4MB. 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 8028 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 8028 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 8028 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 8028 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: 872.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.7s, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s 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