/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-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:34:31,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:34:31,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:34:31,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:34:31,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:34:31,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:34:31,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:34:31,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:34:31,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:34:31,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:34:31,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:34:31,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:34:31,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:34:31,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:34:31,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:34:31,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:34:31,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:34:31,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:34:31,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:34:31,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:34:31,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:34:31,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:34:31,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:34:31,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:34:31,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 22:34:31,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 22:34:31,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 22:34:31,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 22:34:31,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 22:34:31,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 22:34:31,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 22:34:31,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 22:34:31,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 22:34:31,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 22:34:31,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 22:34:31,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 22:34:31,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 22:34:31,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 22:34:31,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:34:31,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:34:31,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:34:31,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:34:31,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:34:31,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:34:31,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:34:31,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:34:31,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:34:31,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:34:31,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:34:31,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:34:31,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:34:31,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:34:31,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:34:31,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:34:31,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:34:31,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:34:31,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:34:31,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:34:31,369 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:34:31,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:34:31,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:34:31,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:34:31,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:34:31,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:34:31,556 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:34:31,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2022-03-16 22:34:31,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2022-03-16 22:34:31,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:34:31,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:34:31,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:34:31,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:34:31,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:34:31,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,596 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:34:31,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:34:31,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:34:31,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:34:31,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:34:31,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:34:31,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:34:31,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:34:31,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:34:31,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/1) ... [2022-03-16 22:34:31,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:34:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:31,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 22:34:31,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 22:34:31,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:34:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:34:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:34:31,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:34:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:34:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:34:31,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:34:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:34:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:34:31,669 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:34:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:34:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:34:31,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 22:34:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 22:34:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 22:34:31,674 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:34:31,711 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:34:31,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:34:31,830 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:34:31,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:34:31,863 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:34:31,865 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:34:31 BoogieIcfgContainer [2022-03-16 22:34:31,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:34:31,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:34:31,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:34:31,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:34:31,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:34:31" (1/2) ... [2022-03-16 22:34:31,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23360796 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:34:31, skipping insertion in model container [2022-03-16 22:34:31,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:34:31" (2/2) ... [2022-03-16 22:34:31,883 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2022-03-16 22:34:31,887 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:34:31,887 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:34:31,887 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:34:31,888 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:34:31,919 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 22:34:31,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:34:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:31,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:34:31,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:34:32,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:34:32,013 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:34:32,013 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 22:34:32,487 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1447 transitions and produced 1360 states. [2022-03-16 22:34:32,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:34:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:34:32,497 INFO L85 PathProgramCache]: Analyzing trace with hash 485876483, now seen corresponding path program 1 times [2022-03-16 22:34:32,504 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:34:32,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207010330] [2022-03-16 22:34:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:34:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:34:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:34:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8611 backedges. 2745 proven. 0 refuted. 0 times theorem prover too weak. 5866 trivial. 0 not checked. [2022-03-16 22:34:32,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:34:32,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207010330] [2022-03-16 22:34:32,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207010330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:34:32,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:34:32,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:34:32,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484656764] [2022-03-16 22:34:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:34:32,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:34:32,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:34:32,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:34:32,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:34:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:32,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:34:32,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:34:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:33,602 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3162 transitions and produced 2737 states. [2022-03-16 22:34:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:33,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:34:33,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:34:33,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:34:33,604 INFO L85 PathProgramCache]: Analyzing trace with hash 261774397, now seen corresponding path program 2 times [2022-03-16 22:34:33,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:34:33,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104065265] [2022-03-16 22:34:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:34:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:34:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:34:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 33780 proven. 9160 refuted. 0 times theorem prover too weak. 5377 trivial. 0 not checked. [2022-03-16 22:34:34,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:34:34,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104065265] [2022-03-16 22:34:34,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104065265] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:34:34,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329540054] [2022-03-16 22:34:34,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:34:34,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:34,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:34,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:34:34,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:34:34,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:34:34,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:34:34,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 22:34:34,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:34:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 32240 proven. 9132 refuted. 0 times theorem prover too weak. 6945 trivial. 0 not checked. [2022-03-16 22:34:35,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:34:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 32240 proven. 9132 refuted. 0 times theorem prover too weak. 6945 trivial. 0 not checked. [2022-03-16 22:34:36,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329540054] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:34:36,855 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:34:36,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 8] total 16 [2022-03-16 22:34:36,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392425785] [2022-03-16 22:34:36,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:34:36,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-16 22:34:36,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:34:36,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-16 22:34:36,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2022-03-16 22:34:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:36,859 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:34:36,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 16 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:34:36,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:36,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:37,464 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3558 transitions and produced 2963 states. [2022-03-16 22:34:37,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:34:37,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 22:34:37,679 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,SelfDestructingSolverStorable1 [2022-03-16 22:34:37,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:34:37,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:34:37,682 INFO L85 PathProgramCache]: Analyzing trace with hash 147649596, now seen corresponding path program 3 times [2022-03-16 22:34:37,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:34:37,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775359813] [2022-03-16 22:34:37,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:34:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:34:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:34:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 58418 backedges. 37553 proven. 16955 refuted. 0 times theorem prover too weak. 3910 trivial. 0 not checked. [2022-03-16 22:34:38,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:34:38,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775359813] [2022-03-16 22:34:38,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775359813] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:34:38,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206289245] [2022-03-16 22:34:38,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:34:38,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:38,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:34:38,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:34:38,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2022-03-16 22:34:38,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:34:38,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 22:34:38,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:34:39,271 INFO L134 CoverageAnalysis]: Checked inductivity of 58418 backedges. 7229 proven. 4 refuted. 0 times theorem prover too weak. 51185 trivial. 0 not checked. [2022-03-16 22:34:39,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:34:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 58418 backedges. 7229 proven. 4 refuted. 0 times theorem prover too weak. 51185 trivial. 0 not checked. [2022-03-16 22:34:40,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206289245] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:34:40,009 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:34:40,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 42 [2022-03-16 22:34:40,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502638144] [2022-03-16 22:34:40,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:34:40,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-03-16 22:34:40,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:34:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-03-16 22:34:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1307, Unknown=0, NotChecked=0, Total=1722 [2022-03-16 22:34:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:40,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:34:40,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.857142857142857) internal successors, (246), 42 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:41,058 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3067 transitions and produced 2575 states. [2022-03-16 22:34:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:34:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 22:34:41,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:34:41,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:41,277 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:34:41,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:34:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1153453293, now seen corresponding path program 4 times [2022-03-16 22:34:41,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:34:41,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143232803] [2022-03-16 22:34:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:34:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:34:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:34:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 33060 backedges. 26784 proven. 6225 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-03-16 22:34:48,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:34:48,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143232803] [2022-03-16 22:34:48,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143232803] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:34:48,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017565925] [2022-03-16 22:34:48,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:34:48,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:48,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:48,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:34:48,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:34:48,832 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:34:48,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:34:48,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 22:34:48,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:34:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 33060 backedges. 24125 proven. 5014 refuted. 0 times theorem prover too weak. 3921 trivial. 0 not checked. [2022-03-16 22:34:50,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:34:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 33060 backedges. 24125 proven. 5014 refuted. 0 times theorem prover too weak. 3921 trivial. 0 not checked. [2022-03-16 22:34:51,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017565925] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:34:51,932 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:34:51,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [154, 14, 14] total 174 [2022-03-16 22:34:51,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114944490] [2022-03-16 22:34:51,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:34:51,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2022-03-16 22:34:51,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:34:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2022-03-16 22:34:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9148, Invalid=21302, Unknown=0, NotChecked=0, Total=30450 [2022-03-16 22:34:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:51,942 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:34:51,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 4.0) internal successors, (700), 174 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:34:51,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:51,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:34:51,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 22:34:51,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:35:18,155 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10152 transitions and produced 8204 states. [2022-03-16 22:35:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:35:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:35:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 22:35:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 453 states. [2022-03-16 22:35:18,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 22:35:18,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:35:18,375 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:35:18,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:35:18,375 INFO L85 PathProgramCache]: Analyzing trace with hash 967033659, now seen corresponding path program 5 times [2022-03-16 22:35:18,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:35:18,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113834534] [2022-03-16 22:35:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:35:18,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:35:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:36:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 397336 backedges. 370194 proven. 26914 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-03-16 22:36:01,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:36:01,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113834534] [2022-03-16 22:36:01,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113834534] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:36:01,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537409019] [2022-03-16 22:36:01,136 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:36:01,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:36:01,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:36:01,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:36:01,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:36:09,391 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 465 check-sat command(s) [2022-03-16 22:36:09,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:36:09,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 4848 conjuncts, 687 conjunts are in the unsatisfiable core [2022-03-16 22:36:09,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:36:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 397336 backedges. 371171 proven. 25937 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-03-16 22:36:12,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:36:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 397336 backedges. 371171 proven. 25937 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-03-16 22:36:37,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537409019] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:36:37,734 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:36:37,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [439, 439, 439] total 732 [2022-03-16 22:36:37,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294576098] [2022-03-16 22:36:37,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:36:37,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 733 states [2022-03-16 22:36:37,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:36:37,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 733 interpolants. [2022-03-16 22:36:37,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267841, Invalid=268715, Unknown=0, NotChecked=0, Total=536556 [2022-03-16 22:36:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:36:37,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:36:37,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 733 states, 733 states have (on average 4.102319236016371) internal successors, (3007), 732 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:36:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:36:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 22:36:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 22:36:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 453 states. [2022-03-16 22:36:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 22:49:04,976 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:49:05,000 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:49:05,013 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:49:06,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 22:49:06,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 22:49:06,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-03-16 22:49:06,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 22:49:06,158 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-16 22:49:06,160 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 22:49:06,161 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 22:49:06,161 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 22:49:06,161 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 22:49:06,161 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 22:49:06,166 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-16 22:49:06,168 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:49:06,168 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:49:06,184 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:49:06 BasicIcfg [2022-03-16 22:49:06,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:49:06,185 INFO L158 Benchmark]: Toolchain (without parser) took 874608.54ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 155.1MB in the beginning and 382.7MB in the end (delta: -227.6MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-16 22:49:06,185 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 190.8MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 78.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:49:06,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.09ms. Allocated memory is still 190.8MB. Free memory was 155.0MB in the beginning and 153.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 22:49:06,186 INFO L158 Benchmark]: Boogie Preprocessor took 12.05ms. Allocated memory is still 190.8MB. Free memory was 153.5MB in the beginning and 152.5MB in the end (delta: 964.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:49:06,186 INFO L158 Benchmark]: RCFGBuilder took 254.12ms. Allocated memory is still 190.8MB. Free memory was 152.4MB in the beginning and 142.2MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 22:49:06,187 INFO L158 Benchmark]: TraceAbstraction took 874318.69ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.6MB in the beginning and 382.7MB in the end (delta: -241.1MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-16 22:49:06,188 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 190.8MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 78.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.09ms. Allocated memory is still 190.8MB. Free memory was 155.0MB in the beginning and 153.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.05ms. Allocated memory is still 190.8MB. Free memory was 153.5MB in the beginning and 152.5MB in the end (delta: 964.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.12ms. Allocated memory is still 190.8MB. Free memory was 152.4MB in the beginning and 142.2MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 874318.69ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.6MB in the beginning and 382.7MB in the end (delta: -241.1MB). Peak memory consumption was 1.5GB. 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 874.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 777.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 972, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 83.6s InterpolantComputationTime, 8140 NumberOfCodeBlocks, 7551 NumberOfCodeBlocksAsserted, 492 NumberOfCheckSat, 12050 ConstructedInterpolants, 0 QuantifiedInterpolants, 55421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8292 ConjunctsInSsa, 737 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1480576/1620004 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