/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:32:20,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:32:20,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:32:20,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:32:20,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:32:20,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:32:20,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:32:20,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:32:20,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:32:20,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:32:20,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:32:20,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:32:20,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:32:20,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:32:20,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:32:20,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:32:20,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:32:20,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:32:20,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:32:20,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:32:20,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:32:20,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:32:20,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:32:20,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:32:20,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 04:32:20,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 04:32:20,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 04:32:20,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 04:32:20,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 04:32:20,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 04:32:20,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 04:32:20,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 04:32:20,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 04:32:20,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 04:32:20,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 04:32:20,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 04:32:20,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 04:32:20,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 04:32:20,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:32:20,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:32:20,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:32:20,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 04:32:20,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:32:20,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:32:20,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:32:20,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:32:20,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:32:20,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:32:20,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:32:20,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:32:20,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:32:20,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:32:20,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:32:20,964 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:32:20,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:32:21,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:32:21,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:32:21,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:32:21,168 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:32:21,171 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:32:21,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2022-02-20 04:32:21,172 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2022-02-20 04:32:21,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:32:21,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:32:21,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:32:21,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:32:21,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:32:21,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,222 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:32:21,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:32:21,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:32:21,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:32:21,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:32:21,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:32:21,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:32:21,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:32:21,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:32:21,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/1) ... [2022-02-20 04:32:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:32:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:32:21,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 04:32:21,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 04:32:21,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:32:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:32:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:32:21,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:32:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:32:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:32:21,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:32:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:32:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:32:21,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:32:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:32:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:32:21,358 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:32:21,395 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:32:21,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:32:21,507 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:32:21,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:32:21,518 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:32:21,522 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:32:21 BoogieIcfgContainer [2022-02-20 04:32:21,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:32:21,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:32:21,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:32:21,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:32:21,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:32:21" (1/2) ... [2022-02-20 04:32:21,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3115f2 and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:32:21, skipping insertion in model container [2022-02-20 04:32:21,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:32:21" (2/2) ... [2022-02-20 04:32:21,530 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2022-02-20 04:32:21,536 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:32:21,536 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:32:21,536 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:32:21,536 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:32:21,594 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:32:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:32:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:32:21,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 04:32:21,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 04:32:21,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:32:21,700 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 04:32:21,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:32:21,810 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-02-20 04:32:21,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:32:21,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:32:21,818 INFO L85 PathProgramCache]: Analyzing trace with hash 888766765, now seen corresponding path program 1 times [2022-02-20 04:32:21,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:32:21,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234523121] [2022-02-20 04:32:21,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:32:21,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:32:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:32:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:32:22,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:32:22,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234523121] [2022-02-20 04:32:22,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234523121] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:32:22,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434712609] [2022-02-20 04:32:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:32:22,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:32:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:32:22,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:32:22,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:32:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:32:22,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:32:22,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:32:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:32:22,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:32:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:32:22,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434712609] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:32:22,496 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:32:22,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-02-20 04:32:22,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051373741] [2022-02-20 04:32:22,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:32:22,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-20 04:32:22,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:32:22,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-20 04:32:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-02-20 04:32:22,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:32:22,519 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:32:22,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:32:22,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:32:22,943 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-02-20 04:32:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:32:22,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 04:32:23,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 04:32:23,161 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:32:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:32:23,162 INFO L85 PathProgramCache]: Analyzing trace with hash 762011787, now seen corresponding path program 2 times [2022-02-20 04:32:23,162 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:32:23,162 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848874924] [2022-02-20 04:32:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:32:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:32:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:32:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:32:23,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:32:23,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848874924] [2022-02-20 04:32:23,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848874924] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:32:23,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961725542] [2022-02-20 04:32:23,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:32:23,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:32:23,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:32:23,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:32:23,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:32:23,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:32:23,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:32:23,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 04:32:23,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:32:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:32:23,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:32:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:32:23,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961725542] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:32:23,682 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:32:23,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-02-20 04:32:23,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719145582] [2022-02-20 04:32:23,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:32:23,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-20 04:32:23,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:32:23,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-20 04:32:23,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-02-20 04:32:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:32:23,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:32:23,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:32:23,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:32:23,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:32:24,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-02-20 04:32:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:32:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:32:24,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:32:24,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:32:24,235 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:32:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:32:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash -790437783, now seen corresponding path program 3 times [2022-02-20 04:32:24,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:32:24,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482902851] [2022-02-20 04:32:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:32:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:32:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:32:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:32:32,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:32:32,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482902851] [2022-02-20 04:32:32,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482902851] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:32:32,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423341649] [2022-02-20 04:32:32,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:32:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:32:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:32:32,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:32:32,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:32:32,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-20 04:32:32,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:32:32,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 04:32:32,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:32:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:32:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:32:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:32:43,960 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:32:43,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 557 treesize of output 439 [2022-02-20 04:35:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:35:54,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:36:34,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:36:34,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:36:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:36:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:36:34,439 INFO L353 Elim1Store]: treesize reduction 32, result has 77.3 percent of original size [2022-02-20 04:36:34,439 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 4067 treesize of output 2037 Received shutdown request... [2022-02-20 04:46:47,890 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 04:46:47,892 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:46:47,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:46:47,901 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:46:47,901 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:46:47,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:46:48,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:46:48,096 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 9ms.. [2022-02-20 04:46:48,097 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:46:48,097 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:46:48,097 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:46:48,101 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-02-20 04:46:48,103 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:46:48,103 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:46:48,105 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:46:48 BasicIcfg [2022-02-20 04:46:48,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:46:48,108 INFO L158 Benchmark]: Toolchain (without parser) took 866903.52ms. Allocated memory was 215.0MB in the beginning and 855.6MB in the end (delta: 640.7MB). Free memory was 179.6MB in the beginning and 741.8MB in the end (delta: -562.2MB). Peak memory consumption was 520.1MB. Max. memory is 8.0GB. [2022-02-20 04:46:48,108 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 215.0MB. Free memory was 180.9MB in the beginning and 180.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:46:48,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.69ms. Allocated memory is still 215.0MB. Free memory was 179.6MB in the beginning and 178.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-20 04:46:48,109 INFO L158 Benchmark]: Boogie Preprocessor took 22.79ms. Allocated memory is still 215.0MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:46:48,111 INFO L158 Benchmark]: RCFGBuilder took 275.74ms. Allocated memory is still 215.0MB. Free memory was 177.0MB in the beginning and 167.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:46:48,114 INFO L158 Benchmark]: TraceAbstraction took 866580.62ms. Allocated memory was 215.0MB in the beginning and 855.6MB in the end (delta: 640.7MB). Free memory was 166.8MB in the beginning and 741.8MB in the end (delta: -575.0MB). Peak memory consumption was 506.4MB. Max. memory is 8.0GB. [2022-02-20 04:46:48,118 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 0.10ms. Allocated memory is still 215.0MB. Free memory was 180.9MB in the beginning and 180.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.69ms. Allocated memory is still 215.0MB. Free memory was 179.6MB in the beginning and 178.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.79ms. Allocated memory is still 215.0MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 275.74ms. Allocated memory is still 215.0MB. Free memory was 177.0MB in the beginning and 167.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 866580.62ms. Allocated memory was 215.0MB in the beginning and 855.6MB in the end (delta: 640.7MB). Free memory was 166.8MB in the beginning and 741.8MB in the end (delta: -575.0MB). Peak memory consumption was 506.4MB. 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 35 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 9ms.. - TimeoutResultAtElement [Line: 61]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 9ms.. - TimeoutResultAtElement [Line: 61]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 9ms.. - TimeoutResultAtElement [Line: 62]: 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 35 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 9ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 12 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 40/87 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