/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 23:20:44,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 23:20:44,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 23:20:44,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 23:20:44,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 23:20:44,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 23:20:44,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 23:20:44,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 23:20:44,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 23:20:44,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 23:20:44,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 23:20:44,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 23:20:44,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 23:20:44,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 23:20:44,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 23:20:44,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 23:20:44,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 23:20:44,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 23:20:44,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 23:20:44,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 23:20:44,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 23:20:44,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 23:20:44,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 23:20:44,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 23:20:44,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 23:20:44,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 23:20:44,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 23:20:44,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 23:20:44,569 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-wrwc.epf [2022-02-19 23:20:44,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 23:20:44,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 23:20:44,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 23:20:44,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 23:20:44,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 23:20:44,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 23:20:44,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 23:20:44,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 23:20:44,587 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 23:20:44,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 23:20:44,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 23:20:44,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 23:20:44,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 23:20:44,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 23:20:44,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 23:20:44,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 23:20:44,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:20:44,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 23:20:44,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 23:20:44,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 23:20:44,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 23:20:44,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 23:20:44,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 23:20:44,814 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 23:20:44,815 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 23:20:44,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-19 23:20:44,817 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-19 23:20:44,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 23:20:44,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 23:20:44,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 23:20:44,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 23:20:44,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 23:20:44,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,865 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 23:20:44,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 23:20:44,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 23:20:44,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 23:20:44,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 23:20:44,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 23:20:44,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 23:20:44,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 23:20:44,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 23:20:44,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/1) ... [2022-02-19 23:20:44,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:20:44,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:44,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 23:20:44,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 23:20:44,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 23:20:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 23:20:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 23:20:44,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 23:20:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 23:20:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 23:20:44,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 23:20:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 23:20:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 23:20:44,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 23:20:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 23:20:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 23:20:44,955 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 23:20:44,998 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 23:20:44,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 23:20:45,116 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 23:20:45,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 23:20:45,130 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 23:20:45,136 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:20:45 BoogieIcfgContainer [2022-02-19 23:20:45,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 23:20:45,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 23:20:45,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 23:20:45,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 23:20:45,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:20:44" (1/2) ... [2022-02-19 23:20:45,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8e87af and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:20:45, skipping insertion in model container [2022-02-19 23:20:45,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:20:45" (2/2) ... [2022-02-19 23:20:45,166 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-19 23:20:45,170 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 23:20:45,170 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 23:20:45,170 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 23:20:45,170 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 23:20:45,221 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 23:20:45,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 23:20:45,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:45,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 23:20:45,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 23:20:45,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 23:20:45,324 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 23:20:45,324 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 23:20:45,903 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1633 transitions and produced 651 states. [2022-02-19 23:20:45,905 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:45,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1438103868, now seen corresponding path program 1 times [2022-02-19 23:20:45,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:45,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034272974] [2022-02-19 23:20:45,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:45,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:46,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:46,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034272974] [2022-02-19 23:20:46,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034272974] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:46,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896979679] [2022-02-19 23:20:46,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:46,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:46,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:46,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:46,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 23:20:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:46,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 23:20:46,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-19 23:20:46,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-19 23:20:47,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896979679] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:47,084 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:47,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 28 [2022-02-19 23:20:47,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218293030] [2022-02-19 23:20:47,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:47,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-19 23:20:47,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:47,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-19 23:20:47,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2022-02-19 23:20:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:47,111 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:47,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:20:47,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:47,761 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1644 transitions and produced 662 states. [2022-02-19 23:20:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:47,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 23:20:47,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 23:20:47,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1116988514, now seen corresponding path program 2 times [2022-02-19 23:20:47,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:47,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809812853] [2022-02-19 23:20:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:47,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 65 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:48,272 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:48,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809812853] [2022-02-19 23:20:48,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809812853] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:48,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868534383] [2022-02-19 23:20:48,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 23:20:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:48,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:48,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 23:20:48,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 23:20:48,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:20:48,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 23:20:48,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-19 23:20:48,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-19 23:20:48,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868534383] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:48,794 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:48,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 10] total 32 [2022-02-19 23:20:48,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289188598] [2022-02-19 23:20:48,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:48,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 23:20:48,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:48,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 23:20:48,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2022-02-19 23:20:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:48,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:48,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:20:48,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:48,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:49,492 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1655 transitions and produced 673 states. [2022-02-19 23:20:49,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:49,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 23:20:49,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:49,694 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:49,694 INFO L85 PathProgramCache]: Analyzing trace with hash -160525696, now seen corresponding path program 3 times [2022-02-19 23:20:49,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:49,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235389630] [2022-02-19 23:20:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 65 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:49,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:49,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235389630] [2022-02-19 23:20:49,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235389630] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:49,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64406180] [2022-02-19 23:20:49,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 23:20:49,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:49,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:49,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:49,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 23:20:49,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-19 23:20:49,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:20:49,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 23:20:50,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-19 23:20:50,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 63 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-19 23:20:50,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64406180] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:50,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:50,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 13] total 40 [2022-02-19 23:20:50,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337638529] [2022-02-19 23:20:50,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:50,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-19 23:20:50,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:50,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-19 23:20:50,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1279, Unknown=0, NotChecked=0, Total=1560 [2022-02-19 23:20:50,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:50,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:50,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.525) internal successors, (101), 40 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:20:50,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:50,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:50,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:51,114 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 233 states. [2022-02-19 23:20:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 23:20:51,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 23:20:51,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:51,320 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:51,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash 508965150, now seen corresponding path program 4 times [2022-02-19 23:20:51,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:51,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380306546] [2022-02-19 23:20:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:51,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 73 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-19 23:20:51,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:51,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380306546] [2022-02-19 23:20:51,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380306546] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:51,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216039272] [2022-02-19 23:20:51,483 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 23:20:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:51,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:51,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 23:20:51,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 23:20:51,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:20:51,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-19 23:20:51,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-19 23:20:51,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-19 23:20:52,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216039272] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:52,018 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:52,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2022-02-19 23:20:52,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456553802] [2022-02-19 23:20:52,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:52,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-19 23:20:52,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-19 23:20:52,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2022-02-19 23:20:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:52,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:52,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.9393939393939394) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:20:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:52,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:52,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 23:20:52,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:52,932 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1677 transitions and produced 695 states. [2022-02-19 23:20:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 23:20:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 23:20:52,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 23:20:53,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:53,148 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:53,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:53,148 INFO L85 PathProgramCache]: Analyzing trace with hash -355426244, now seen corresponding path program 5 times [2022-02-19 23:20:53,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:53,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437330269] [2022-02-19 23:20:53,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:53,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:53,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437330269] [2022-02-19 23:20:53,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437330269] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:53,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899846916] [2022-02-19 23:20:53,403 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 23:20:53,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:53,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:53,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:53,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 23:20:53,468 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-19 23:20:53,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:20:53,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-19 23:20:53,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:54,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:54,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899846916] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:54,719 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:54,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-19 23:20:54,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774905572] [2022-02-19 23:20:54,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:54,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-19 23:20:54,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:54,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-19 23:20:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=3071, Unknown=0, NotChecked=0, Total=3906 [2022-02-19 23:20:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:54,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:54,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:20:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 23:20:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 23:20:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:55,673 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 309 states. [2022-02-19 23:20:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 23:20:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 23:20:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 23:20:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 23:20:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 23:20:55,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 23:20:55,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:55,899 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:20:55,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:20:55,900 INFO L85 PathProgramCache]: Analyzing trace with hash -927598578, now seen corresponding path program 6 times [2022-02-19 23:20:55,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:20:55,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055655291] [2022-02-19 23:20:55,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:20:55,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 36 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 23:20:59,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:59,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055655291] [2022-02-19 23:20:59,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055655291] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:59,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096473482] [2022-02-19 23:20:59,007 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 23:20:59,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:59,012 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:20:59,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 23:20:59,082 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-19 23:20:59,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:20:59,085 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 117 conjunts are in the unsatisfiable core [2022-02-19 23:20:59,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:21:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:21:51,215 INFO L244 Elim1Store]: Index analysis took 142 ms [2022-02-19 23:21:52,100 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 23:21:52,101 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 168 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 85 case distinctions, treesize of input 282 treesize of output 1036 [2022-02-19 23:21:52,492 INFO L244 Elim1Store]: Index analysis took 324 ms [2022-02-19 23:22:01,782 WARN L228 SmtUtils]: Spent 9.28s on a formula simplification that was a NOOP. DAG size: 1618 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 23:22:01,783 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 23:22:01,784 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 212 treesize of output 4482 [2022-02-19 23:22:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 23:22:02,681 INFO L244 Elim1Store]: Index analysis took 199 ms [2022-02-19 23:22:04,722 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 23:22:04,724 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 168 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 85 case distinctions, treesize of input 6161 treesize of output 5577 Received shutdown request... [2022-02-19 23:34:32,479 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 23:34:32,482 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 23:34:32,492 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:34:32,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 23:34:32,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:34:32,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:34:32,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:34:32,683 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 11ms.. [2022-02-19 23:34:32,685 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 23:34:32,685 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 23:34:32,685 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 23:34:32,694 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 23:34:32,695 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 23:34:32,695 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 23:34:32,697 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:34:32 BasicIcfg [2022-02-19 23:34:32,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 23:34:32,697 INFO L158 Benchmark]: Toolchain (without parser) took 827858.79ms. Allocated memory was 173.0MB in the beginning and 608.2MB in the end (delta: 435.2MB). Free memory was 131.1MB in the beginning and 531.8MB in the end (delta: -400.6MB). Peak memory consumption was 391.6MB. Max. memory is 8.0GB. [2022-02-19 23:34:32,698 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 173.0MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 23:34:32,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.74ms. Allocated memory is still 173.0MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-19 23:34:32,698 INFO L158 Benchmark]: Boogie Preprocessor took 24.47ms. Allocated memory is still 173.0MB. Free memory was 129.3MB in the beginning and 128.5MB in the end (delta: 788.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 23:34:32,699 INFO L158 Benchmark]: RCFGBuilder took 257.30ms. Allocated memory is still 173.0MB. Free memory was 128.3MB in the beginning and 118.6MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 23:34:32,699 INFO L158 Benchmark]: TraceAbstraction took 827544.82ms. Allocated memory was 173.0MB in the beginning and 608.2MB in the end (delta: 435.2MB). Free memory was 118.1MB in the beginning and 531.8MB in the end (delta: -413.6MB). Peak memory consumption was 378.0MB. Max. memory is 8.0GB. [2022-02-19 23:34:32,700 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 0.12ms. Allocated memory is still 173.0MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.74ms. Allocated memory is still 173.0MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.47ms. Allocated memory is still 173.0MB. Free memory was 129.3MB in the beginning and 128.5MB in the end (delta: 788.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 257.30ms. Allocated memory is still 173.0MB. Free memory was 128.3MB in the beginning and 118.6MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 827544.82ms. Allocated memory was 173.0MB in the beginning and 608.2MB in the end (delta: 435.2MB). Free memory was 118.1MB in the beginning and 531.8MB in the end (delta: -413.6MB). Peak memory consumption was 378.0MB. 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 11ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 11ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 11ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 827.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 520 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 3998 SizeOfPredicates, 32 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 1197/1605 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