/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/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 16:31:29,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 16:31:29,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 16:31:29,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 16:31:29,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 16:31:29,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 16:31:29,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 16:31:29,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 16:31:29,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 16:31:29,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 16:31:29,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 16:31:29,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 16:31:29,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 16:31:29,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 16:31:29,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 16:31:29,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 16:31:29,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 16:31:29,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 16:31:29,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 16:31:29,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 16:31:29,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 16:31:29,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 16:31:29,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 16:31:29,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 16:31:29,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 16:31:29,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 16:31:29,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 16:31:29,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 16:31:29,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 16:31:29,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 16:31:29,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 16:31:29,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 16:31:29,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 16:31:29,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 16:31:29,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 16:31:29,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 16:31:29,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 16:31:29,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 16:31:29,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 16:31:29,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 16:31:29,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 16:31:29,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 16:31:29,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 16:31:29,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 16:31:29,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 16:31:29,181 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 16:31:29,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 16:31:29,182 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 16:31:29,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:31:29,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 16:31:29,183 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 16:31:29,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 16:31:29,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 16:31:29,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 16:31:29,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 16:31:29,405 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 16:31:29,406 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 16:31:29,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-19 16:31:29,407 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-19 16:31:29,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 16:31:29,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 16:31:29,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 16:31:29,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 16:31:29,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 16:31:29,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,452 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 16:31:29,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 16:31:29,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 16:31:29,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 16:31:29,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 16:31:29,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 16:31:29,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 16:31:29,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 16:31:29,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 16:31:29,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/1) ... [2022-02-19 16:31:29,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:31:29,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:29,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 16:31:29,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 16:31:29,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 16:31:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 16:31:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 16:31:29,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 16:31:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 16:31:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 16:31:29,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 16:31:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 16:31:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 16:31:29,583 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 16:31:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 16:31:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 16:31:29,585 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 16:31:29,623 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 16:31:29,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 16:31:29,698 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 16:31:29,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 16:31:29,708 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 16:31:29,710 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:31:29 BoogieIcfgContainer [2022-02-19 16:31:29,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 16:31:29,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 16:31:29,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 16:31:29,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 16:31:29,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:29" (1/2) ... [2022-02-19 16:31:29,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b68ef4 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:31:29, skipping insertion in model container [2022-02-19 16:31:29,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:31:29" (2/2) ... [2022-02-19 16:31:29,726 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-19 16:31:29,729 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 16:31:29,729 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 16:31:29,729 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 16:31:29,729 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 16:31:29,766 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 16:31:29,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 16:31:29,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:29,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 16:31:29,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 16:31:29,850 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 16:31:29,857 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 16:31:29,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 16:31:29,963 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-02-19 16:31:29,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:29,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:29,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-02-19 16:31:29,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:29,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293344284] [2022-02-19 16:31:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:29,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:30,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:30,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293344284] [2022-02-19 16:31:30,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293344284] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:30,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283463141] [2022-02-19 16:31:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:30,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:30,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:30,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:30,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 16:31:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:30,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 16:31:30,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-19 16:31:30,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-19 16:31:30,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283463141] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:31:30,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:31:30,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-02-19 16:31:30,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107913813] [2022-02-19 16:31:30,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:31:30,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-19 16:31:30,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:31:30,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-19 16:31:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-02-19 16:31:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:30,871 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:31:30,872 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) [2022-02-19 16:31:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:31,216 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-02-19 16:31:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:31,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 16:31:31,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 16:31:31,432 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:31,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-02-19 16:31:31,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:31,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101931792] [2022-02-19 16:31:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:31,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:31,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101931792] [2022-02-19 16:31:31,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101931792] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:31,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092478541] [2022-02-19 16:31:31,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 16:31:31,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:31,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:31,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:31,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 16:31:31,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 16:31:31,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:31:31,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 16:31:31,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 16:31:31,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 16:31:32,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092478541] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:31:32,057 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:31:32,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-02-19 16:31:32,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991354236] [2022-02-19 16:31:32,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:31:32,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-19 16:31:32,058 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:31:32,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-19 16:31:32,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-02-19 16:31:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:32,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:31:32,059 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) [2022-02-19 16:31:32,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:32,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:32,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-02-19 16:31:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:32,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 16:31:32,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:32,613 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:32,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:32,614 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-02-19 16:31:32,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:32,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50415461] [2022-02-19 16:31:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:32,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 16:31:32,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:32,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50415461] [2022-02-19 16:31:32,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50415461] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:32,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354583727] [2022-02-19 16:31:32,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 16:31:32,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:32,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:32,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:32,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 16:31:32,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-19 16:31:32,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:31:32,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-19 16:31:32,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-19 16:31:33,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-19 16:31:33,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354583727] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:31:33,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:31:33,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-02-19 16:31:33,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439226680] [2022-02-19 16:31:33,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:31:33,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-19 16:31:33,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:31:33,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-19 16:31:33,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-02-19 16:31:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:33,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:31:33,235 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) [2022-02-19 16:31:33,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:33,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:33,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:33,629 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-02-19 16:31:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:33,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 16:31:33,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 16:31:33,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:33,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:33,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-02-19 16:31:33,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:33,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356136452] [2022-02-19 16:31:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:33,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:34,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:34,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356136452] [2022-02-19 16:31:34,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356136452] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:34,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766034110] [2022-02-19 16:31:34,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 16:31:34,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:34,052 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:34,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 16:31:34,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 16:31:34,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:31:34,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 16:31:34,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 16:31:34,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 16:31:34,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766034110] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:31:34,887 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:31:34,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-02-19 16:31:34,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208762862] [2022-02-19 16:31:34,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:31:34,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-19 16:31:34,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:31:34,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-19 16:31:34,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-02-19 16:31:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:34,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:31:34,889 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) [2022-02-19 16:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 16:31:34,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:35,396 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-02-19 16:31:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 16:31:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 16:31:35,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 16:31:35,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:35,598 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:35,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-02-19 16:31:35,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:35,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171171805] [2022-02-19 16:31:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:35,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:35,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:35,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171171805] [2022-02-19 16:31:35,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171171805] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:35,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212440847] [2022-02-19 16:31:35,843 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 16:31:35,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:35,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:35,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:35,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 16:31:35,885 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-19 16:31:35,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:31:35,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-19 16:31:35,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:36,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:36,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212440847] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:31:36,891 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:31:36,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-19 16:31:36,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015571837] [2022-02-19 16:31:36,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:31:36,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-19 16:31:36,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:31:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-19 16:31:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-02-19 16:31:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:36,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:31:36,895 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) [2022-02-19 16:31:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 16:31:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 16:31:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:31:37,516 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-02-19 16:31:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 16:31:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 16:31:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 16:31:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 16:31:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-19 16:31:37,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 16:31:37,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:37,719 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:31:37,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:31:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-02-19 16:31:37,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:31:37,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862249120] [2022-02-19 16:31:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:31:37,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:31:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:31:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:39,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:31:39,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862249120] [2022-02-19 16:31:39,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862249120] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:31:39,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279087059] [2022-02-19 16:31:39,730 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 16:31:39,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:31:39,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:31:39,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:31:39,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 16:31:39,781 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-02-19 16:31:39,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:31:39,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-02-19 16:31:39,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:31:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:42,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:42,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:42,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 177 [2022-02-19 16:31:43,665 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-02-19 16:31:43,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 177 treesize of output 967 [2022-02-19 16:31:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:43,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:43,720 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1247 treesize of output 991 [2022-02-19 16:31:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:31:51,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:31:54,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:54,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:54,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:54,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:31:54,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:54,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:31:55,011 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 16:31:55,012 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 279 treesize of output 1086 [2022-02-19 16:31:55,202 INFO L244 Elim1Store]: Index analysis took 148 ms [2022-02-19 16:32:03,742 WARN L228 SmtUtils]: Spent 8.53s on a formula simplification. DAG size of input: 1173 DAG size of output: 869 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 16:32:03,744 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-02-19 16:32:03,745 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 197 treesize of output 2863 [2022-02-19 16:32:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:32:04,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:32:04,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:32:04,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 16:32:04,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:32:04,362 INFO L244 Elim1Store]: Index analysis took 102 ms [2022-02-19 16:32:05,527 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 16:32:05,528 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 2820 treesize of output 2572 Received shutdown request... [2022-02-19 16:45:51,078 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 16:45:51,078 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 16:45:51,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 16:45:51,082 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 16:45:51,097 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 16:45:51,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 16:45:51,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:45:51,300 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 38ms.. [2022-02-19 16:45:51,301 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 16:45:51,301 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 16:45:51,301 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 16:45:51,305 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 16:45:51,307 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 16:45:51,307 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 16:45:51,309 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:45:51 BasicIcfg [2022-02-19 16:45:51,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 16:45:51,309 INFO L158 Benchmark]: Toolchain (without parser) took 861880.10ms. Allocated memory was 186.6MB in the beginning and 675.3MB in the end (delta: 488.6MB). Free memory was 149.1MB in the beginning and 236.0MB in the end (delta: -86.9MB). Peak memory consumption was 409.5MB. Max. memory is 8.0GB. [2022-02-19 16:45:51,309 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 150.3MB in the beginning and 150.2MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 16:45:51,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.93ms. Allocated memory is still 186.6MB. Free memory was 149.0MB in the beginning and 147.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 16:45:51,310 INFO L158 Benchmark]: Boogie Preprocessor took 11.67ms. Allocated memory is still 186.6MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 957.1kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 16:45:51,310 INFO L158 Benchmark]: RCFGBuilder took 241.36ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 137.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 16:45:51,310 INFO L158 Benchmark]: TraceAbstraction took 861597.52ms. Allocated memory was 186.6MB in the beginning and 675.3MB in the end (delta: 488.6MB). Free memory was 136.6MB in the beginning and 236.0MB in the end (delta: -99.4MB). Peak memory consumption was 396.9MB. Max. memory is 8.0GB. [2022-02-19 16:45:51,314 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 186.6MB. Free memory was 150.3MB in the beginning and 150.2MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.93ms. Allocated memory is still 186.6MB. Free memory was 149.0MB in the beginning and 147.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 11.67ms. Allocated memory is still 186.6MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 957.1kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 241.36ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 137.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 861597.52ms. Allocated memory was 186.6MB in the beginning and 675.3MB in the end (delta: 488.6MB). Free memory was 136.6MB in the beginning and 236.0MB in the end (delta: -99.4MB). Peak memory consumption was 396.9MB. 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: 67]: 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 SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 38ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 38ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 38ms.. - TimeoutResultAtElement [Line: 61]: 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 SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 38ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 861.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.3s, 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, 4.0s 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