/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 05:05:04,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 05:05:04,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 05:05:04,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 05:05:04,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 05:05:04,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 05:05:04,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 05:05:04,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 05:05:04,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 05:05:04,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 05:05:04,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 05:05:04,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 05:05:04,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 05:05:04,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 05:05:04,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 05:05:04,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 05:05:04,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 05:05:04,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 05:05:04,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 05:05:04,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 05:05:04,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 05:05:04,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 05:05:04,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 05:05:04,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 05:05:04,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 05:05:04,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 05:05:04,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 05:05:04,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 05:05:04,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 05:05:04,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 05:05:04,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 05:05:04,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 05:05:04,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 05:05:04,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 05:05:04,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 05:05:04,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 05:05:04,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 05:05:04,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 05:05:04,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 05:05:04,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 05:05:04,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 05:05:04,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 05:05:04,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 05:05:04,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 05:05:04,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 05:05:04,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 05:05:04,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 05:05:04,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 05:05:04,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 05:05:04,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 05:05:04,305 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 05:05:04,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 05:05:04,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 05:05:04,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 05:05:04,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:05:04,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 05:05:04,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 05:05:04,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 05:05:04,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 05:05:04,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 05:05:04,309 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 05:05:04,309 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 05:05:04,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 05:05:04,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 05:05:04,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 05:05:04,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 05:05:04,546 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 05:05:04,547 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 05:05:04,548 INFO L432 ainManager$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 [2022-03-02 05:05:04,548 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' [2022-03-02 05:05:04,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 05:05:04,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 05:05:04,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 05:05:04,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 05:05:04,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 05:05:04,596 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,602 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,609 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 05:05:04,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 05:05:04,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 05:05:04,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 05:05:04,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 05:05:04,620 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,620 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,622 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,622 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,625 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,629 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,631 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 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 05:05:04,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 05:05:04,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 05:05:04,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 05:05:04,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:05:04" (1/1) ... [2022-03-02 05:05:04,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:05:04,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:04,660 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 05:05:04,681 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 05:05:04,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 05:05:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 05:05:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 05:05:04,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 05:05:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 05:05:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 05:05:04,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 05:05:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 05:05:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 05:05:04,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 05:05:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 05:05:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 05:05:04,702 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 05:05:04,748 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 05:05:04,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 05:05:04,815 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 05:05:04,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 05:05:04,827 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 05:05:04,829 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:05:04 BoogieIcfgContainer [2022-03-02 05:05:04,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 05:05:04,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 05:05:04,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 05:05:04,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 05:05:04,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:05:04" (1/2) ... [2022-03-02 05:05:04,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35c4c7 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 05:05:04, skipping insertion in model container [2022-03-02 05:05:04,838 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 02.03 05:05:04" (2/2) ... [2022-03-02 05:05:04,840 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2022-03-02 05:05:04,844 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 05:05:04,844 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 05:05:04,844 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 05:05:04,844 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 05:05:04,885 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 05:05:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 05:05:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:04,931 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 05:05:04,950 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 05:05:04,963 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 05:05:04,969 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 05:05:04,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 05:05:05,075 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-02 05:05:05,077 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:05,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-02 05:05:05,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:05,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120230407] [2022-03-02 05:05:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:05,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:05,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:05,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120230407] [2022-03-02 05:05:05,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120230407] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:05,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152885139] [2022-03-02 05:05:05,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:05,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:05,598 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 05:05:05,599 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 05:05:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:05,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 05:05:05,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 05:05:06,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-02 05:05:06,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152885139] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:05:06,284 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:05:06,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-02 05:05:06,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127796548] [2022-03-02 05:05:06,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:05:06,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-02 05:05:06,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:05:06,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-02 05:05:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-02 05:05:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:06,321 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:05:06,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:05:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:06,794 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-02 05:05:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:06,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 05:05:07,015 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 05:05:07,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-02 05:05:07,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:07,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311921556] [2022-03-02 05:05:07,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:07,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:07,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:07,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311921556] [2022-03-02 05:05:07,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311921556] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:07,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001341965] [2022-03-02 05:05:07,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 05:05:07,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:07,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:07,232 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 05:05:07,237 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 05:05:07,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 05:05:07,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:05:07,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 05:05:07,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 05:05:07,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-02 05:05:07,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001341965] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:05:07,766 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:05:07,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-02 05:05:07,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908470306] [2022-03-02 05:05:07,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:05:07,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 05:05:07,770 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:05:07,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 05:05:07,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-02 05:05:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:07,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:05:07,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:05:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:08,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-02 05:05:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:08,252 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 05:05:08,447 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 05:05:08,448 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:08,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-02 05:05:08,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:08,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952423335] [2022-03-02 05:05:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:08,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:05:08,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:08,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952423335] [2022-03-02 05:05:08,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952423335] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:08,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029746673] [2022-03-02 05:05:08,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 05:05:08,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:08,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:08,578 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 05:05:08,584 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 05:05:08,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-02 05:05:08,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:05:08,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 05:05:08,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:05:08,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:05:09,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029746673] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:05:09,193 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:05:09,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-02 05:05:09,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755622217] [2022-03-02 05:05:09,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:05:09,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-02 05:05:09,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:05:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-02 05:05:09,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-02 05:05:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:09,196 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:05:09,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:05:09,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:09,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:09,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:09,697 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-02 05:05:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:05:09,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 05:05:09,898 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 05:05:09,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:09,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:09,899 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-03-02 05:05:09,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:09,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453635295] [2022-03-02 05:05:09,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:10,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:10,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453635295] [2022-03-02 05:05:10,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453635295] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:10,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014332467] [2022-03-02 05:05:10,154 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 05:05:10,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:10,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:10,160 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 05:05:10,161 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 05:05:10,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 05:05:10,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:05:10,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 05:05:10,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:05:10,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:05:11,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014332467] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:05:11,074 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:05:11,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-02 05:05:11,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821276627] [2022-03-02 05:05:11,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:05:11,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-02 05:05:11,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:05:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-02 05:05:11,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-02 05:05:11,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:11,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:05:11,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:05:11,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:11,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:11,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:05:11,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:11,664 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-02 05:05:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:05:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:05:11,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 05:05:11,866 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 05:05:11,866 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:11,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-03-02 05:05:11,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:11,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404710246] [2022-03-02 05:05:11,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:11,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:12,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:12,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404710246] [2022-03-02 05:05:12,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404710246] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:12,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139063209] [2022-03-02 05:05:12,144 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 05:05:12,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:12,146 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 05:05:12,178 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 05:05:12,201 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-02 05:05:12,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:05:12,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-02 05:05:12,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:12,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:13,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139063209] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:05:13,427 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:05:13,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-02 05:05:13,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129284510] [2022-03-02 05:05:13,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:05:13,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-02 05:05:13,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:05:13,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-02 05:05:13,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-02 05:05:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:13,430 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:05:13,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:05:13,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:13,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:13,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:05:13,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:05:13,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:05:14,354 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-02 05:05:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 05:05:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:05:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 05:05:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-02 05:05:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-02 05:05:14,383 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 05:05:14,567 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 05:05:14,568 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:05:14,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:05:14,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-03-02 05:05:14,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:05:14,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248061572] [2022-03-02 05:05:14,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:05:14,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:05:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:05:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:16,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:05:16,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248061572] [2022-03-02 05:05:16,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248061572] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:05:16,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222759305] [2022-03-02 05:05:16,683 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 05:05:16,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:05:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:05:16,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:05:16,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 05:05:16,746 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-02 05:05:16,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:05:16,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-02 05:05:16,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:05:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:19,942 INFO L244 Elim1Store]: Index analysis took 120 ms [2022-03-02 05:05:20,157 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 05:05:20,158 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 [2022-03-02 05:05:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:05:21,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:05:25,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:25,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:25,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:25,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:05:25,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:25,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:05:27,766 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-03-02 05:05:27,767 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... [2022-03-02 05:19:30,721 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 05:19:30,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 05:19:30,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:19:30,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:19:30,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:19:30,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 05:19:30,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:19:30,932 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. [2022-03-02 05:19:30,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 05:19:30,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 05:19:30,934 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 05:19:30,939 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 05:19:30,941 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:19:30,941 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:19:30,942 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:19:30 BasicIcfg [2022-03-02 05:19:30,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:19:30,943 INFO L158 Benchmark]: Toolchain (without parser) took 866362.15ms. Allocated memory was 189.8MB in the beginning and 585.1MB in the end (delta: 395.3MB). Free memory was 154.4MB in the beginning and 357.5MB in the end (delta: -203.0MB). Peak memory consumption was 367.2MB. Max. memory is 8.0GB. [2022-03-02 05:19:30,943 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 189.8MB. Free memory was 155.7MB in the beginning and 155.5MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:19:30,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.23ms. Allocated memory is still 189.8MB. Free memory was 154.4MB in the beginning and 152.8MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 05:19:30,944 INFO L158 Benchmark]: Boogie Preprocessor took 19.10ms. Allocated memory is still 189.8MB. Free memory was 152.8MB in the beginning and 151.9MB in the end (delta: 883.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:19:30,945 INFO L158 Benchmark]: RCFGBuilder took 196.40ms. Allocated memory is still 189.8MB. Free memory was 151.9MB in the beginning and 142.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-02 05:19:30,945 INFO L158 Benchmark]: TraceAbstraction took 866112.02ms. Allocated memory was 189.8MB in the beginning and 585.1MB in the end (delta: 395.3MB). Free memory was 141.9MB in the beginning and 357.5MB in the end (delta: -215.6MB). Peak memory consumption was 353.6MB. Max. memory is 8.0GB. [2022-03-02 05:19:30,947 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 0.13ms. Allocated memory is still 189.8MB. Free memory was 155.7MB in the beginning and 155.5MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.23ms. Allocated memory is still 189.8MB. Free memory was 154.4MB in the beginning and 152.8MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.10ms. Allocated memory is still 189.8MB. Free memory was 152.8MB in the beginning and 151.9MB in the end (delta: 883.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 196.40ms. Allocated memory is still 189.8MB. Free memory was 151.9MB in the beginning and 142.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 866112.02ms. Allocated memory was 189.8MB in the beginning and 585.1MB in the end (delta: 395.3MB). Free memory was 141.9MB in the beginning and 357.5MB in the end (delta: -215.6MB). Peak memory consumption was 353.6MB. 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.0s, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s 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