/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-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:36:13,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:36:13,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:36:13,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:36:13,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:36:13,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:36:13,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:36:13,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:36:13,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:36:13,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:36:13,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:36:13,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:36:13,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:36:13,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:36:13,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:36:13,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:36:13,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:36:13,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:36:13,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:36:13,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:36:13,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:36:13,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:36:13,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:36:13,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:36:13,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 10:36:13,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 10:36:13,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 10:36:13,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 10:36:13,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 10:36:13,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 10:36:13,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 10:36:13,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 10:36:13,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 10:36:13,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 10:36:13,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 10:36:13,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 10:36:13,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 10:36:13,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 10:36:13,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:36:13,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:36:13,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:36:13,677 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 [2022-03-02 10:36:13,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:36:13,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:36:13,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:36:13,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:36:13,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:36:13,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:36:13,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:36:13,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:36:13,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:36:13,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:36:13,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:36:13,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:36:13,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:36:13,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:36:13,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:36:13,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:36:13,912 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:36:13,913 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:36:13,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-03-02 10:36:13,916 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-03-02 10:36:13,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:36:13,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:36:13,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:36:13,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:36:13,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:36:13,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,953 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:36:13,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:36:13,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:36:13,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:36:13,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:36:13,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:36:13,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:36:13,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:36:13,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:36:13,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/1) ... [2022-03-02 10:36:13,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:36:13,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:36:13,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 10:36:14,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 10:36:14,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:36:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:36:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:36:14,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:36:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:36:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:36:14,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:36:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:36:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:36:14,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:36:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:36:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:36:14,024 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:36:14,057 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:36:14,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:36:14,190 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:36:14,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:36:14,196 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:36:14,197 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:36:14 BoogieIcfgContainer [2022-03-02 10:36:14,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:36:14,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:36:14,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:36:14,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:36:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:36:13" (1/2) ... [2022-03-02 10:36:14,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7debce and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:36:14, skipping insertion in model container [2022-03-02 10:36:14,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:36:14" (2/2) ... [2022-03-02 10:36:14,205 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-02 10:36:14,208 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:36:14,208 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:36:14,208 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:36:14,208 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:36:14,257 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:36:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:36:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:36:14,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 10:36:14,303 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 [2022-03-02 10:36:14,326 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:36:14,335 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 [2022-03-02 10:36:14,336 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:36:14,868 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1095 transitions and produced 1015 states. [2022-03-02 10:36:14,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:36:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:36:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2078950850, now seen corresponding path program 1 times [2022-03-02 10:36:14,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:36:14,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936305040] [2022-03-02 10:36:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:36:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:36:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:36:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10172 backedges. 5584 proven. 4549 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-02 10:36:17,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:36:17,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936305040] [2022-03-02 10:36:17,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936305040] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:36:17,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84995717] [2022-03-02 10:36:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:36:17,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:36:17,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:36:17,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:36:17,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:36:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:36:17,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 96 conjunts are in the unsatisfiable core [2022-03-02 10:36:17,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:36:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10172 backedges. 4697 proven. 5424 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-03-02 10:36:21,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:36:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10172 backedges. 5727 proven. 4415 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-02 10:36:25,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84995717] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:36:25,607 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:36:25,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 73, 87] total 211 [2022-03-02 10:36:25,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908439999] [2022-03-02 10:36:25,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:36:25,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-03-02 10:36:25,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:36:25,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-03-02 10:36:25,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13237, Invalid=31073, Unknown=0, NotChecked=0, Total=44310 [2022-03-02 10:36:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:36:25,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:36:25,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 3.3981042654028437) internal successors, (717), 211 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:36:25,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:36:37,780 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2251 transitions and produced 2143 states. [2022-03-02 10:36:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:36:37,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:36:37,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-02 10:36:37,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:36:37,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:36:37,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1524722493, now seen corresponding path program 2 times [2022-03-02 10:36:37,985 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:36:37,985 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479230073] [2022-03-02 10:36:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:36:37,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:36:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:36:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27544 backedges. 15859 proven. 11658 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 10:36:45,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:36:45,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479230073] [2022-03-02 10:36:45,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479230073] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:36:45,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146632988] [2022-03-02 10:36:45,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:36:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:36:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:36:45,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:36:45,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 10:36:46,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:36:46,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:36:46,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 194 conjunts are in the unsatisfiable core [2022-03-02 10:36:46,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:36:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 27544 backedges. 12865 proven. 14655 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-02 10:36:57,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:37:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 27544 backedges. 10397 proven. 17144 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-02 10:37:14,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146632988] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:37:14,583 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:37:14,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 179, 193] total 455 [2022-03-02 10:37:14,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824473389] [2022-03-02 10:37:14,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:37:14,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 455 states [2022-03-02 10:37:14,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:37:14,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 455 interpolants. [2022-03-02 10:37:14,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44650, Invalid=161920, Unknown=0, NotChecked=0, Total=206570 [2022-03-02 10:37:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:37:14,605 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:37:14,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 455 states, 455 states have (on average 3.142857142857143) internal successors, (1430), 455 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:37:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:37:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:38:03,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3610 transitions and produced 3447 states. [2022-03-02 10:38:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:38:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-02 10:38:03,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 10:38:03,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:38:03,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:38:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:38:03,248 INFO L85 PathProgramCache]: Analyzing trace with hash 429399156, now seen corresponding path program 3 times [2022-03-02 10:38:03,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:38:03,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203102220] [2022-03-02 10:38:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:38:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:38:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:38:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 75517 backedges. 32994 proven. 42496 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 10:38:25,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:38:25,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203102220] [2022-03-02 10:38:25,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203102220] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:38:25,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762569083] [2022-03-02 10:38:25,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:38:25,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:38:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:38:25,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:38:25,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 10:38:29,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 168 check-sat command(s) [2022-03-02 10:38:29,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:38:29,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 329 conjunts are in the unsatisfiable core [2022-03-02 10:38:29,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:38:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 75517 backedges. 28482 proven. 47011 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-02 10:38:56,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:39:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 75517 backedges. 23208 proven. 52306 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-02 10:39:23,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762569083] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:39:23,470 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:39:23,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [312, 314, 328] total 628 [2022-03-02 10:39:23,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173686537] [2022-03-02 10:39:23,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:39:23,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 628 states [2022-03-02 10:39:23,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:39:23,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 628 interpolants. [2022-03-02 10:39:23,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74891, Invalid=318865, Unknown=0, NotChecked=0, Total=393756 [2022-03-02 10:39:23,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:39:23,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:39:23,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 628 states, 628 states have (on average 3.111464968152866) internal successors, (1954), 628 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:39:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:39:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-02 10:39:23,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:18,172 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4411 transitions and produced 4238 states. [2022-03-02 10:41:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:41:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-02 10:41:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-02 10:41:18,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 10:41:18,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:18,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:41:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:41:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash 515734301, now seen corresponding path program 4 times [2022-03-02 10:41:18,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:41:18,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941562813] [2022-03-02 10:41:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:41:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 105881 backedges. 56477 proven. 49377 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 10:41:49,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:41:49,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941562813] [2022-03-02 10:41:49,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941562813] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:41:49,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138652072] [2022-03-02 10:41:49,594 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:41:49,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:49,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:41:49,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 10:41:49,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:41:49,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:41:49,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 384 conjunts are in the unsatisfiable core [2022-03-02 10:41:49,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:42:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 105881 backedges. 50447 proven. 55410 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-02 10:42:32,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:43:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 105881 backedges. 42367 proven. 63511 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-02 10:43:21,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138652072] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:43:21,491 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:43:21,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [367, 369, 383] total 823 [2022-03-02 10:43:21,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607989377] [2022-03-02 10:43:21,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:43:21,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 823 states [2022-03-02 10:43:21,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:43:21,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 823 interpolants. [2022-03-02 10:43:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143962, Invalid=532544, Unknown=0, NotChecked=0, Total=676506 [2022-03-02 10:43:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:43:21,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:43:21,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 823 states, 823 states have (on average 3.0765492102065615) internal successors, (2532), 823 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:43:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:43:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-02 10:43:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 760 states. [2022-03-02 10:43:21,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:47:01,850 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5684 transitions and produced 5464 states. [2022-03-02 10:47:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-03-02 10:47:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-02 10:47:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-02 10:47:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1008 states. [2022-03-02 10:47:01,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 10:47:02,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:47:02,052 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:47:02,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:47:02,053 INFO L85 PathProgramCache]: Analyzing trace with hash -190271660, now seen corresponding path program 5 times [2022-03-02 10:47:02,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:47:02,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221301911] [2022-03-02 10:47:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:47:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:47:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:47:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 184010 backedges. 86308 proven. 97675 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 10:47:57,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:47:57,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221301911] [2022-03-02 10:47:57,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221301911] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:47:57,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985548312] [2022-03-02 10:47:57,834 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:47:57,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:47:57,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:47:57,835 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:47:57,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 10:48:08,037 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 260 check-sat command(s) [2022-03-02 10:48:08,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:48:08,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 2561 conjuncts, 507 conjunts are in the unsatisfiable core [2022-03-02 10:48:08,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 10:48:21,952 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:48:21,965 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:48:21,965 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:48:21,966 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 [2022-03-02 10:48:21,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 10:48:22,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:48:22,153 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1528 with TraceHistMax 259,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 558 known predicates. [2022-03-02 10:48:22,155 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:48:22,155 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:48:22,155 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:48:22,159 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-02 10:48:22,160 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:48:22,160 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:48:22,164 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:48:22 BasicIcfg [2022-03-02 10:48:22,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:48:22,164 INFO L158 Benchmark]: Toolchain (without parser) took 728232.05ms. Allocated memory was 198.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 163.0MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-03-02 10:48:22,164 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:48:22,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.73ms. Allocated memory is still 198.2MB. Free memory was 162.8MB in the beginning and 161.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:48:22,165 INFO L158 Benchmark]: Boogie Preprocessor took 17.35ms. Allocated memory is still 198.2MB. Free memory was 161.2MB in the beginning and 160.4MB in the end (delta: 846.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:48:22,165 INFO L158 Benchmark]: RCFGBuilder took 223.95ms. Allocated memory is still 198.2MB. Free memory was 160.2MB in the beginning and 151.3MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 10:48:22,165 INFO L158 Benchmark]: TraceAbstraction took 727965.03ms. Allocated memory was 198.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 150.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-03-02 10:48:22,166 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 0.11ms. Allocated memory is still 198.2MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.73ms. Allocated memory is still 198.2MB. Free memory was 162.8MB in the beginning and 161.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.35ms. Allocated memory is still 198.2MB. Free memory was 161.2MB in the beginning and 160.4MB in the end (delta: 846.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 223.95ms. Allocated memory is still 198.2MB. Free memory was 160.2MB in the beginning and 151.3MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 727965.03ms. Allocated memory was 198.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 150.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.0GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1528 with TraceHistMax 259,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 558 known predicates. - TimeoutResultAtElement [Line: 53]: 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 1528 with TraceHistMax 259,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 558 known predicates. - TimeoutResultAtElement [Line: 52]: 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 1528 with TraceHistMax 259,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 558 known predicates. - TimeoutResultAtElement [Line: 52]: 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 1528 with TraceHistMax 259,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 558 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 727.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 396.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2613, 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: 0.2s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 244.1s InterpolantComputationTime, 6084 NumberOfCodeBlocks, 6084 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 9114 ConstructedInterpolants, 0 QuantifiedInterpolants, 66610 SizeOfPredicates, 24 NumberOfNonLiveVariables, 5134 ConjunctsInSsa, 1003 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 289386/657342 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