/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:15:16,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:15:16,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:15:16,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:15:16,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:15:16,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:15:16,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:15:16,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:15:16,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:15:16,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:15:16,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:15:16,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:15:16,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:15:16,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:15:16,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:15:16,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:15:16,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:15:16,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:15:16,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:15:16,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:15:16,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:15:16,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:15:16,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:15:16,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:15:16,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:15:16,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:15:16,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:15:16,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:15:16,625 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:15:16,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:15:16,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:15:16,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:15:16,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:15:16,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:15:16,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:15:16,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:15:16,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:15:16,651 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:15:16,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:15:16,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:15:16,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:15:16,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:15:16,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:15:16,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:15:16,655 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:15:16,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:15:16,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:15:16,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:15:16,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:15:16,854 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:15:16,856 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:15:16,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl [2022-03-16 22:15:16,857 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/difference-det.wvr.bpl' [2022-03-16 22:15:16,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:15:16,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:15:16,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:15:16,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:15:16,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:15:16,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,907 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:15:16,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:15:16,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:15:16,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:15:16,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:15:16,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:15:16,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:15:16,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:15:16,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:15:16,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/1) ... [2022-03-16 22:15:16,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:15:16,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:16,956 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) [2022-03-16 22:15:16,986 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 [2022-03-16 22:15:17,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:15:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:15:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:15:17,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:15:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:15:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:15:17,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:15:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:15:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:15:17,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:15:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:15:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:15:17,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 22:15:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 22:15:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 22:15:17,010 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:15:17,048 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:15:17,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:15:17,158 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:15:17,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:15:17,171 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:15:17,172 INFO L202 PluginConnector]: Adding new model difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:15:17 BoogieIcfgContainer [2022-03-16 22:15:17,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:15:17,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:15:17,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:15:17,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:15:17,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:15:16" (1/2) ... [2022-03-16 22:15:17,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ee30be and model type difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:15:17, skipping insertion in model container [2022-03-16 22:15:17,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:15:17" (2/2) ... [2022-03-16 22:15:17,205 INFO L111 eAbstractionObserver]: Analyzing ICFG difference-det.wvr.bpl [2022-03-16 22:15:17,209 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:15:17,209 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:15:17,209 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:15:17,209 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:15:17,236 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 22:15:17,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:15:17,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:17,275 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) [2022-03-16 22:15:17,276 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 [2022-03-16 22:15:17,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:15:17,300 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:15:17,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 22:15:17,739 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 718 transitions and produced 664 states. [2022-03-16 22:15:17,742 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:15:17,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:15:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1107533423, now seen corresponding path program 1 times [2022-03-16 22:15:17,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:15:17,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040765876] [2022-03-16 22:15:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:15:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:15:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:15:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 233 proven. 1797 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2022-03-16 22:15:18,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:15:18,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040765876] [2022-03-16 22:15:18,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040765876] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:15:18,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639323532] [2022-03-16 22:15:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:15:18,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:15:18,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:18,316 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) [2022-03-16 22:15:18,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:15:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:15:18,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 49 conjunts are in the unsatisfiable core [2022-03-16 22:15:18,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:15:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 1630 proven. 984 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-03-16 22:15:20,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:15:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 1630 proven. 984 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-03-16 22:15:21,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639323532] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:15:21,677 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:15:21,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 49, 49] total 103 [2022-03-16 22:15:21,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109559521] [2022-03-16 22:15:21,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:15:21,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-03-16 22:15:21,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:15:21,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-03-16 22:15:21,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3147, Invalid=7359, Unknown=0, NotChecked=0, Total=10506 [2022-03-16 22:15:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:21,706 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:15:21,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 2.8058252427184467) internal successors, (289), 103 states have internal predecessors, (289), 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) [2022-03-16 22:15:21,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:24,301 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1431 transitions and produced 1287 states. [2022-03-16 22:15:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-16 22:15:24,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:15:24,516 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 [2022-03-16 22:15:24,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:15:24,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:15:24,520 INFO L85 PathProgramCache]: Analyzing trace with hash 339300519, now seen corresponding path program 2 times [2022-03-16 22:15:24,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:15:24,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923219249] [2022-03-16 22:15:24,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:15:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:15:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:15:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5874 backedges. 3697 proven. 1681 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-03-16 22:15:25,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:15:25,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923219249] [2022-03-16 22:15:25,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923219249] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:15:25,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924527454] [2022-03-16 22:15:25,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:15:25,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:15:25,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:25,477 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) [2022-03-16 22:15:25,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:15:25,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:15:25,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:15:25,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-16 22:15:25,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:15:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5874 backedges. 3548 proven. 1630 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-03-16 22:15:28,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:15:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5874 backedges. 3629 proven. 1549 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-03-16 22:15:30,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924527454] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:15:30,363 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:15:30,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 54, 54] total 150 [2022-03-16 22:15:30,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171110951] [2022-03-16 22:15:30,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:15:30,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2022-03-16 22:15:30,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:15:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2022-03-16 22:15:30,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5243, Invalid=17107, Unknown=0, NotChecked=0, Total=22350 [2022-03-16 22:15:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:30,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:15:30,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 3.2466666666666666) internal successors, (487), 150 states have internal predecessors, (487), 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) [2022-03-16 22:15:30,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-16 22:15:30,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:34,768 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1704 transitions and produced 1513 states. [2022-03-16 22:15:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:15:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:15:34,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:15:34,986 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 [2022-03-16 22:15:34,986 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:15:34,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:15:34,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1145623351, now seen corresponding path program 3 times [2022-03-16 22:15:34,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:15:34,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005162183] [2022-03-16 22:15:34,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:15:34,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:15:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:15:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12361 backedges. 5974 proven. 6361 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-03-16 22:15:39,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:15:39,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005162183] [2022-03-16 22:15:39,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005162183] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:15:39,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141696678] [2022-03-16 22:15:39,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:15:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:15:39,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:39,258 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) [2022-03-16 22:15:39,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:15:39,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 91 check-sat command(s) [2022-03-16 22:15:39,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:15:39,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 69 conjunts are in the unsatisfiable core [2022-03-16 22:15:39,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:15:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12361 backedges. 1936 proven. 9761 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-03-16 22:15:45,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:15:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12361 backedges. 3720 proven. 7977 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-03-16 22:15:51,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141696678] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:15:51,290 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:15:51,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 69, 69] total 259 [2022-03-16 22:15:51,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970097686] [2022-03-16 22:15:51,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:15:51,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2022-03-16 22:15:51,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:15:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2022-03-16 22:15:51,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8944, Invalid=58396, Unknown=0, NotChecked=0, Total=67340 [2022-03-16 22:15:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:51,300 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:15:51,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 2.4) internal successors, (624), 259 states have internal predecessors, (624), 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) [2022-03-16 22:15:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:15:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:15:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:16:13,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2348 transitions and produced 2161 states. [2022-03-16 22:16:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:16:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:16:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-03-16 22:16:13,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 22:16:13,628 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 [2022-03-16 22:16:13,628 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:16:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:16:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1202214633, now seen corresponding path program 4 times [2022-03-16 22:16:13,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:16:13,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784206918] [2022-03-16 22:16:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:16:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:16:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:16:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19589 backedges. 12785 proven. 6804 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:16:21,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:16:21,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784206918] [2022-03-16 22:16:21,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784206918] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:16:21,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151032849] [2022-03-16 22:16:21,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:16:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:16:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:16:21,715 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) [2022-03-16 22:16:21,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:16:21,898 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:16:21,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:16:21,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 199 conjunts are in the unsatisfiable core [2022-03-16 22:16:21,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:16:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 19589 backedges. 12785 proven. 6804 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:16:42,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:16:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19589 backedges. 13012 proven. 6577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:16:55,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151032849] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:16:55,455 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:16:55,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [200, 199, 199] total 545 [2022-03-16 22:16:55,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226981047] [2022-03-16 22:16:55,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:16:55,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 546 states [2022-03-16 22:16:55,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:16:55,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 546 interpolants. [2022-03-16 22:16:55,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64107, Invalid=233463, Unknown=0, NotChecked=0, Total=297570 [2022-03-16 22:16:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:16:55,478 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:16:55,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 546 states, 546 states have (on average 2.172161172161172) internal successors, (1186), 545 states have internal predecessors, (1186), 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) [2022-03-16 22:16:55,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:16:55,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:16:55,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-03-16 22:16:55,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:18:41,925 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9613 transitions and produced 8477 states. [2022-03-16 22:18:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:18:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:18:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2022-03-16 22:18:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2022-03-16 22:18:41,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 22:18:42,134 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 [2022-03-16 22:18:42,134 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:18:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:18:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1650197425, now seen corresponding path program 5 times [2022-03-16 22:18:42,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:18:42,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033074987] [2022-03-16 22:18:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:18:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:18:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:18:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 330302 backedges. 116688 proven. 12996 refuted. 0 times theorem prover too weak. 200618 trivial. 0 not checked. [2022-03-16 22:18:47,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:18:47,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033074987] [2022-03-16 22:18:47,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033074987] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:18:47,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999758044] [2022-03-16 22:18:47,512 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:18:47,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:18:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:47,513 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) [2022-03-16 22:18:47,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:18:51,558 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 390 check-sat command(s) [2022-03-16 22:18:51,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:18:51,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 666 conjunts are in the unsatisfiable core [2022-03-16 22:18:51,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:19:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 330302 backedges. 317306 proven. 12996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:19:37,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:20:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 330302 backedges. 317306 proven. 12996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 22:20:45,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999758044] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:20:45,809 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:20:45,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 553, 553] total 989 [2022-03-16 22:20:45,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962609903] [2022-03-16 22:20:45,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:20:45,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 989 states [2022-03-16 22:20:45,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:20:45,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 989 interpolants. [2022-03-16 22:20:45,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488566, Invalid=488566, Unknown=0, NotChecked=0, Total=977132 [2022-03-16 22:20:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:20:45,944 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:20:45,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 989 states, 989 states have (on average 2.9888776541961577) internal successors, (2956), 989 states have internal predecessors, (2956), 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) [2022-03-16 22:20:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-16 22:20:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-03-16 22:20:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2022-03-16 22:20:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 429 states. [2022-03-16 22:20:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 22:29:48,148 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 [2022-03-16 22:29:48,149 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:29:48,149 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 [2022-03-16 22:29:49,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 22:29:49,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-03-16 22:29:49,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 22:29:50,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 22:29:50,668 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-16 22:29:50,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 22:29:50,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 22:29:50,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 22:29:50,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 22:29:50,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 22:29:50,675 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-16 22:29:50,687 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:29:50,687 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:29:50,689 INFO L202 PluginConnector]: Adding new model difference-det.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:29:50 BasicIcfg [2022-03-16 22:29:50,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:29:50,689 INFO L158 Benchmark]: Toolchain (without parser) took 873800.53ms. Allocated memory was 188.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 147.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 22:29:50,689 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:29:50,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.08ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:29:50,690 INFO L158 Benchmark]: Boogie Preprocessor took 20.30ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.9MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:29:50,690 INFO L158 Benchmark]: RCFGBuilder took 242.08ms. Allocated memory is still 188.7MB. Free memory was 144.8MB in the beginning and 135.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 22:29:50,690 INFO L158 Benchmark]: TraceAbstraction took 873515.23ms. Allocated memory was 188.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 134.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 22:29:50,691 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 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.08ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 20.30ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.9MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 242.08ms. Allocated memory is still 188.7MB. Free memory was 144.8MB in the beginning and 135.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873515.23ms. Allocated memory was 188.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 134.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.1GB. 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: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 57 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 873.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 680.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1200, 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: 0.3s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 185.1s InterpolantComputationTime, 5532 NumberOfCodeBlocks, 5498 NumberOfCodeBlocksAsserted, 490 NumberOfCheckSat, 8283 ConstructedInterpolants, 0 QuantifiedInterpolants, 41941 SizeOfPredicates, 28 NumberOfNonLiveVariables, 7503 ConjunctsInSsa, 1037 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 1020989/1112886 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