/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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 04:47:28,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:47:28,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:47:28,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 04:47:28,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 04:47:28,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 04:47:28,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 04:47:28,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 04:47:28,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 04:47:28,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 04:47:28,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 04:47:28,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 04:47:28,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 04:47:28,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 04:47:28,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 04:47:28,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 04:47:28,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 04:47:28,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 04:47:28,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 04:47:28,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 04:47:28,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 04:47:28,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 04:47:28,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 04:47:28,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 04:47:28,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 04:47:28,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:47:28,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:47:28,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:47:28,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 04:47:28,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:47:28,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:47:28,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:47:28,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:47:28,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:47:28,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:47:28,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:47:28,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:47:28,887 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:47:28,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:47:28,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:47:28,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:47:28,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:47:28,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:47:28,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:47:28,890 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:47:28,890 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:47:28,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:47:29,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:47:29,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:47:29,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:47:29,078 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:47:29,081 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:47:29,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2022-03-02 04:47:29,082 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-03-02 04:47:29,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:47:29,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:47:29,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:47:29,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:47:29,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:47:29,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,121 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:47:29,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:47:29,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:47:29,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:47:29,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:47:29,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:47:29,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:47:29,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:47:29,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:47:29,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/1) ... [2022-03-02 04:47:29,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:47:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:29,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 04:47:29,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 04:47:29,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:47:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:47:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:47:29,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:47:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:47:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:47:29,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:47:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:47:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:47:29,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 04:47:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 04:47:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 04:47:29,193 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 04:47:29,228 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:47:29,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:47:29,326 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:47:29,337 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:47:29,337 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 04:47:29,339 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:47:29 BoogieIcfgContainer [2022-03-02 04:47:29,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:47:29,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:47:29,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:47:29,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:47:29,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:47:29" (1/2) ... [2022-03-02 04:47:29,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea5b1ed and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:47:29, skipping insertion in model container [2022-03-02 04:47:29,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:47:29" (2/2) ... [2022-03-02 04:47:29,345 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-03-02 04:47:29,348 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:47:29,349 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:47:29,349 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:47:29,349 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:47:29,371 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 04:47:29,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:47:29,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:29,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 04:47:29,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 04:47:29,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:47:29,425 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 04:47:29,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 04:47:29,554 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-02 04:47:29,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-03-02 04:47:29,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:29,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650871086] [2022-03-02 04:47:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:29,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:29,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650871086] [2022-03-02 04:47:29,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650871086] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:29,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236727496] [2022-03-02 04:47:29,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:29,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:29,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:29,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 04:47:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:30,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 04:47:30,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 04:47:30,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 04:47:30,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236727496] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:30,499 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:30,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-02 04:47:30,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415780685] [2022-03-02 04:47:30,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:30,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 04:47:30,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:30,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 04:47:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-02 04:47:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:30,524 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:30,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:30,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:30,916 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-02 04:47:30,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:30,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 04:47:31,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-02 04:47:31,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:31,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-03-02 04:47:31,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:31,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257272262] [2022-03-02 04:47:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:31,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:31,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:31,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257272262] [2022-03-02 04:47:31,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257272262] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:31,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762194924] [2022-03-02 04:47:31,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:47:31,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:31,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:31,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:31,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 04:47:31,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:47:31,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:47:31,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 04:47:31,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 04:47:31,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 04:47:31,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762194924] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:31,722 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:31,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-02 04:47:31,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930252719] [2022-03-02 04:47:31,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:31,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 04:47:31,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:31,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 04:47:31,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-02 04:47:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:31,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:31,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:31,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:31,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:32,096 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-02 04:47:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:32,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 04:47:32,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:32,299 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:32,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-03-02 04:47:32,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:32,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744905183] [2022-03-02 04:47:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:32,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:47:32,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:32,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744905183] [2022-03-02 04:47:32,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744905183] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:32,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799600479] [2022-03-02 04:47:32,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:47:32,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:32,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:32,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 04:47:32,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 04:47:32,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:47:32,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 04:47:32,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 04:47:32,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 04:47:32,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799600479] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:32,911 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:32,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-02 04:47:32,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863988311] [2022-03-02 04:47:32,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:32,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-02 04:47:32,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:32,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-02 04:47:32,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-02 04:47:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:32,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:32,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:33,301 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-02 04:47:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 04:47:33,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 04:47:33,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:33,503 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:33,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-03-02 04:47:33,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:33,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190669336] [2022-03-02 04:47:33,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:33,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:33,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:33,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190669336] [2022-03-02 04:47:33,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190669336] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:33,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144262014] [2022-03-02 04:47:33,732 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:47:33,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:33,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:33,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:33,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 04:47:33,765 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:47:33,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:47:33,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 04:47:33,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:34,116 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:47:34,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 04:47:34,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144262014] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:34,466 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:34,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-02 04:47:34,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262858217] [2022-03-02 04:47:34,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:34,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-02 04:47:34,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:34,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-02 04:47:34,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-02 04:47:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:34,468 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:34,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:34,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:34,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:34,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 04:47:34,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:34,959 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-02 04:47:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 04:47:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:47:34,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 04:47:35,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:35,160 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-03-02 04:47:35,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:35,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537517310] [2022-03-02 04:47:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:35,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:35,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537517310] [2022-03-02 04:47:35,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537517310] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:35,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455749003] [2022-03-02 04:47:35,376 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:47:35,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:35,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:35,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:35,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 04:47:35,426 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-02 04:47:35,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:47:35,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 04:47:35,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:35,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:36,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455749003] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:36,465 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:36,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-02 04:47:36,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437934525] [2022-03-02 04:47:36,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:36,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-02 04:47:36,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-02 04:47:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-02 04:47:36,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:36,468 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:36,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 04:47:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:47:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:37,215 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-02 04:47:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 04:47:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 04:47:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 04:47:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 04:47:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-02 04:47:37,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 04:47:37,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:37,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 04:47:37,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:47:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-03-02 04:47:37,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:47:37,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036111218] [2022-03-02 04:47:37,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:47:37,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:47:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:47:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:39,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:47:39,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036111218] [2022-03-02 04:47:39,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036111218] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:47:39,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959694864] [2022-03-02 04:47:39,193 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:47:39,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:47:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:47:39,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:47:39,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 04:47:39,236 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-02 04:47:39,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:47:39,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-02 04:47:39,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:47:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:41,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:41,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:41,609 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 [2022-03-02 04:47:43,064 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-03-02 04:47:43,065 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 [2022-03-02 04:47:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:43,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:43,136 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 [2022-03-02 04:47:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:51,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:54,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:54,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:54,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:54,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:47:54,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:47:54,791 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:47:54,792 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 [2022-03-02 04:47:54,946 INFO L244 Elim1Store]: Index analysis took 117 ms [2022-03-02 04:48:03,525 WARN L228 SmtUtils]: Spent 8.57s 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) [2022-03-02 04:48:03,530 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-03-02 04:48:03,531 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 [2022-03-02 04:48:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:48:04,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:48:04,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:48:04,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 04:48:04,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 04:48:04,147 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-03-02 04:48:05,305 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 04:48:05,306 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... [2022-03-02 05:01:30,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:01:30,733 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:01:30,736 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 05:01:30,736 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:01:30,738 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 05:01:30,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 05:01:30,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:01:30,945 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 31ms.. [2022-03-02 05:01:30,947 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 05:01:30,947 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 05:01:30,947 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 05:01:30,951 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 05:01:30,952 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:01:30,952 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:01:30,954 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:01:30 BasicIcfg [2022-03-02 05:01:30,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:01:30,955 INFO L158 Benchmark]: Toolchain (without parser) took 841853.43ms. Allocated memory was 179.3MB in the beginning and 574.6MB in the end (delta: 395.3MB). Free memory was 143.6MB in the beginning and 222.8MB in the end (delta: -79.2MB). Peak memory consumption was 346.2MB. Max. memory is 8.0GB. [2022-03-02 05:01:30,955 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:01:30,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.75ms. Allocated memory is still 179.3MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:01:30,956 INFO L158 Benchmark]: Boogie Preprocessor took 11.38ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:01:30,956 INFO L158 Benchmark]: RCFGBuilder took 202.09ms. Allocated memory is still 179.3MB. Free memory was 141.1MB in the beginning and 131.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 05:01:30,956 INFO L158 Benchmark]: TraceAbstraction took 841613.81ms. Allocated memory was 179.3MB in the beginning and 574.6MB in the end (delta: 395.3MB). Free memory was 131.2MB in the beginning and 222.8MB in the end (delta: -91.6MB). Peak memory consumption was 334.7MB. Max. memory is 8.0GB. [2022-03-02 05:01:30,957 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 0.10ms. Allocated memory is still 179.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.75ms. Allocated memory is still 179.3MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.38ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 202.09ms. Allocated memory is still 179.3MB. Free memory was 141.1MB in the beginning and 131.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 841613.81ms. Allocated memory was 179.3MB in the beginning and 574.6MB in the end (delta: 395.3MB). Free memory was 131.2MB in the beginning and 222.8MB in the end (delta: -91.6MB). Peak memory consumption was 334.7MB. 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 31ms.. - 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 31ms.. - 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 31ms.. - 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 31ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 841.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.5s, 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