/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:40:25,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:40:25,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:40:25,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:40:25,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:40:25,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:40:25,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:40:25,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:40:25,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:40:25,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:40:25,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:40:25,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:40:25,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:40:25,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:40:25,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:40:25,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:40:25,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:40:25,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:40:25,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:40:25,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:40:25,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:40:25,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:40:25,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:40:25,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:40:25,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:40:25,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:40:25,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:40:25,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:40:25,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 04:40:25,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:40:25,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:40:25,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:40:25,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:40:25,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:40:25,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:40:25,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:40:25,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:40:25,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:40:25,665 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:40:25,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:40:25,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:40:25,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:40:25,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:40:25,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:40:25,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:40:25,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:40:25,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:40:25,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:40:25,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:40:25,668 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:40:25,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:40:25,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:40:25,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:40:25,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:40:25,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:40:25,877 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:40:25,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2022-02-20 04:40:25,878 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2022-02-20 04:40:25,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:40:25,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:40:25,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:40:25,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:40:25,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:40:25,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,920 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:40:25,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:40:25,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:40:25,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:40:25,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:40:25,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:40:25,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:40:25,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:40:25,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:40:25,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/1) ... [2022-02-20 04:40:25,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:40:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:25,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 04:40:25,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 04:40:25,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:40:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:40:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:40:25,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:40:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:40:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:40:25,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:40:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:40:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:40:25,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:40:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:40:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:40:25,983 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:40:26,020 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:40:26,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:40:26,139 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:40:26,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:40:26,150 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:40:26,151 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:40:26 BoogieIcfgContainer [2022-02-20 04:40:26,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:40:26,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:40:26,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:40:26,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:40:26,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:40:25" (1/2) ... [2022-02-20 04:40:26,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52707915 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:40:26, skipping insertion in model container [2022-02-20 04:40:26,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:40:26" (2/2) ... [2022-02-20 04:40:26,183 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2022-02-20 04:40:26,186 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:40:26,187 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:40:26,187 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:40:26,187 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:40:26,234 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:40:26,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:40:26,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:26,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 04:40:26,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 04:40:26,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:40:26,337 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 04:40:26,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:40:26,474 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-02-20 04:40:26,476 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-02-20 04:40:26,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:26,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566839996] [2022-02-20 04:40:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:26,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:26,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566839996] [2022-02-20 04:40:26,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566839996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:26,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799449005] [2022-02-20 04:40:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:26,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:26,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:40:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:26,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:40:26,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:40:27,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:40:27,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799449005] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:27,408 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:27,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-02-20 04:40:27,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220622235] [2022-02-20 04:40:27,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:27,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 04:40:27,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:27,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 04:40:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-02-20 04:40:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:27,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:27,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:40:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:27,838 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-02-20 04:40:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:27,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:28,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 04:40:28,070 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:28,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:28,071 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-02-20 04:40:28,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:28,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156711755] [2022-02-20 04:40:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:28,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:28,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156711755] [2022-02-20 04:40:28,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156711755] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:28,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265349240] [2022-02-20 04:40:28,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:40:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:28,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:28,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:40:28,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:40:28,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:28,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 04:40:28,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:40:28,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:40:28,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265349240] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:28,668 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:28,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-02-20 04:40:28,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260277673] [2022-02-20 04:40:28,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:28,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 04:40:28,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:28,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 04:40:28,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-02-20 04:40:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:28,671 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:28,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:40:28,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:28,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:29,039 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-02-20 04:40:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:29,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:29,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:29,241 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-02-20 04:40:29,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:29,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338576710] [2022-02-20 04:40:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:29,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:29,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:29,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338576710] [2022-02-20 04:40:29,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338576710] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:29,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052762535] [2022-02-20 04:40:29,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:40:29,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:29,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:29,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:40:29,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-20 04:40:29,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:29,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 04:40:29,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:40:29,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:40:29,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052762535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:29,891 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:29,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-02-20 04:40:29,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847548595] [2022-02-20 04:40:29,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:29,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 04:40:29,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:29,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 04:40:29,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 04:40:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:29,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:29,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:40:29,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:29,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:29,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:30,294 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-02-20 04:40:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:30,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:30,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:30,496 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:30,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:30,496 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-02-20 04:40:30,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:30,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122392930] [2022-02-20 04:40:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:30,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:30,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122392930] [2022-02-20 04:40:30,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122392930] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:30,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659850811] [2022-02-20 04:40:30,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:40:30,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:30,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:30,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:30,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:40:30,730 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:40:30,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:30,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-20 04:40:30,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:31,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:40:31,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659850811] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:31,581 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:31,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-02-20 04:40:31,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29134141] [2022-02-20 04:40:31,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:31,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-20 04:40:31,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-20 04:40:31,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-02-20 04:40:31,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:31,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:31,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:40:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:32,030 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-02-20 04:40:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:32,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:40:32,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:32,231 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:32,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:32,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-02-20 04:40:32,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:32,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471820581] [2022-02-20 04:40:32,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:32,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:32,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471820581] [2022-02-20 04:40:32,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471820581] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:32,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069402851] [2022-02-20 04:40:32,436 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:40:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:32,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:32,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:40:32,473 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-20 04:40:32,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:32,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-20 04:40:32,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:32,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:33,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069402851] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:40:33,474 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:40:33,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-20 04:40:33,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140697121] [2022-02-20 04:40:33,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:40:33,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-20 04:40:33,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:40:33,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-20 04:40:33,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-02-20 04:40:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:33,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:40:33,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:40:33,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:33,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:33,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:33,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:33,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:40:34,146 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-02-20 04:40:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:40:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:40:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:40:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:40:34,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-20 04:40:34,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 04:40:34,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:34,349 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:40:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:40:34,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-02-20 04:40:34,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:40:34,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509539118] [2022-02-20 04:40:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:40:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:40:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:40:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:35,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:40:35,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509539118] [2022-02-20 04:40:35,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509539118] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:40:35,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066654618] [2022-02-20 04:40:35,994 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:40:35,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:40:35,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:40:35,996 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:40:35,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:40:36,037 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-02-20 04:40:36,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:40:36,038 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-02-20 04:40:36,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:40:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:39,047 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:40:39,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 135 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 101 treesize of output 431 [2022-02-20 04:40:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:40:39,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:40:43,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:43,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:43,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:43,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:40:43,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:43,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:40:46,402 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-02-20 04:40:46,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 49 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 144 case distinctions, treesize of input 215 treesize of output 1020 Received shutdown request... [2022-02-20 04:54:59,198 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:54:59,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-20 04:54:59,243 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:54:59,243 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:54:59,243 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:54:59,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:54:59,398 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 3394 of 4096 xjuncts. [2022-02-20 04:54:59,400 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:54:59,400 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:54:59,400 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:54:59,403 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:54:59,404 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:54:59,404 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:54:59,406 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:54:59 BasicIcfg [2022-02-20 04:54:59,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:54:59,407 INFO L158 Benchmark]: Toolchain (without parser) took 873505.21ms. Allocated memory was 180.4MB in the beginning and 662.7MB in the end (delta: 482.3MB). Free memory was 140.7MB in the beginning and 289.7MB in the end (delta: -149.1MB). Peak memory consumption was 420.2MB. Max. memory is 8.0GB. [2022-02-20 04:54:59,410 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:54:59,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.44ms. Allocated memory is still 180.4MB. Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-20 04:54:59,411 INFO L158 Benchmark]: Boogie Preprocessor took 11.26ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 138.1MB in the end (delta: 937.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:54:59,411 INFO L158 Benchmark]: RCFGBuilder took 217.05ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 128.9MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:54:59,413 INFO L158 Benchmark]: TraceAbstraction took 873253.27ms. Allocated memory was 180.4MB in the beginning and 662.7MB in the end (delta: 482.3MB). Free memory was 128.4MB in the beginning and 289.7MB in the end (delta: -161.3MB). Peak memory consumption was 406.6MB. Max. memory is 8.0GB. [2022-02-20 04:54:59,414 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 180.4MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.44ms. Allocated memory is still 180.4MB. Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.26ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 138.1MB in the end (delta: 937.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.05ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 128.9MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873253.27ms. Allocated memory was 180.4MB in the beginning and 662.7MB in the end (delta: 482.3MB). Free memory was 128.4MB in the beginning and 289.7MB in the end (delta: -161.3MB). Peak memory consumption was 406.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 3394 of 4096 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 3394 of 4096 xjuncts. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 3394 of 4096 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 3394 of 4096 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown