/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/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 21:47:27,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 21:47:27,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 21:47:27,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 21:47:27,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 21:47:27,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 21:47:27,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 21:47:27,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 21:47:27,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 21:47:27,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 21:47:27,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 21:47:27,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 21:47:27,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 21:47:27,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 21:47:27,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 21:47:27,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 21:47:27,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 21:47:27,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 21:47:27,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 21:47:27,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 21:47:27,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 21:47:27,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 21:47:27,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 21:47:27,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 21:47:27,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 21:47:27,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 21:47:27,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 21:47:27,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 21:47:27,998 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 21:47:28,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 21:47:28,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 21:47:28,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 21:47:28,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 21:47:28,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 21:47:28,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 21:47:28,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 21:47:28,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 21:47:28,026 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 21:47:28,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 21:47:28,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 21:47:28,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:47:28,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 21:47:28,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 21:47:28,029 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 21:47:28,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 21:47:28,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 21:47:28,029 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 21:47:28,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 21:47:28,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 21:47:28,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 21:47:28,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 21:47:28,201 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 21:47:28,202 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 21:47:28,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2022-03-16 21:47:28,203 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2022-03-16 21:47:28,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 21:47:28,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 21:47:28,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 21:47:28,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 21:47:28,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 21:47:28,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,238 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 21:47:28,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 21:47:28,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 21:47:28,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 21:47:28,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 21:47:28,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 21:47:28,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 21:47:28,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 21:47:28,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 21:47:28,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/1) ... [2022-03-16 21:47:28,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:47:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 21:47:28,283 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 21:47:28,284 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 21:47:28,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 21:47:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 21:47:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 21:47:28,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 21:47:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 21:47:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 21:47:28,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 21:47:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 21:47:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 21:47:28,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 21:47:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 21:47:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 21:47:28,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 21:47:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 21:47:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 21:47:28,308 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 21:47:28,337 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 21:47:28,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 21:47:28,432 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 21:47:28,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 21:47:28,437 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 21:47:28,438 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:47:28 BoogieIcfgContainer [2022-03-16 21:47:28,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 21:47:28,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 21:47:28,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 21:47:28,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 21:47:28,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 09:47:28" (1/2) ... [2022-03-16 21:47:28,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca11e5c and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:47:28, skipping insertion in model container [2022-03-16 21:47:28,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:47:28" (2/2) ... [2022-03-16 21:47:28,444 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2022-03-16 21:47:28,447 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 21:47:28,447 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 21:47:28,447 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 21:47:28,447 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 21:47:28,508 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 21:47:28,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 21:47:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 21:47:28,547 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 21:47:28,548 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 21:47:28,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 21:47:28,574 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 21:47:28,574 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 21:47:30,604 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6399 transitions and produced 6225 states. [2022-03-16 21:47:30,606 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 21:47:30,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 21:47:30,610 INFO L85 PathProgramCache]: Analyzing trace with hash -801373222, now seen corresponding path program 1 times [2022-03-16 21:47:30,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 21:47:30,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670140148] [2022-03-16 21:47:30,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 21:47:30,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 21:49:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 22:00:53,611 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 22:00:53,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:00:53,612 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. [2022-03-16 22:00:53,613 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 22:00:53,614 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 22:00:53,614 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 22:00:53,614 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 22:00:53,619 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 22:00:53,622 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 22:00:53,624 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:00:53,624 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:00:53,627 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:00:53 BasicIcfg [2022-03-16 22:00:53,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:00:53,628 INFO L158 Benchmark]: Toolchain (without parser) took 805408.22ms. Allocated memory was 215.0MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 176.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-16 22:00:53,629 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 22:00:53,631 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 177.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:00:53,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.50ms. Allocated memory is still 215.0MB. Free memory was 176.0MB in the beginning and 174.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 22:00:53,631 INFO L158 Benchmark]: Boogie Preprocessor took 10.55ms. Allocated memory is still 215.0MB. Free memory was 174.4MB in the beginning and 173.4MB in the end (delta: 966.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:00:53,631 INFO L158 Benchmark]: RCFGBuilder took 185.20ms. Allocated memory is still 215.0MB. Free memory was 173.3MB in the beginning and 163.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 22:00:53,632 INFO L158 Benchmark]: TraceAbstraction took 805187.17ms. Allocated memory was 215.0MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 162.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-16 22:00:53,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 177.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.50ms. Allocated memory is still 215.0MB. Free memory was 176.0MB in the beginning and 174.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.55ms. Allocated memory is still 215.0MB. Free memory was 174.4MB in the beginning and 173.4MB in the end (delta: 966.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 185.20ms. Allocated memory is still 215.0MB. Free memory was 173.3MB in the beginning and 163.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 805187.17ms. Allocated memory was 215.0MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 162.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. 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: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. - 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 PartialOrderCegarLoop was analyzing trace of length 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. - TimeoutResultAtElement [Line: 77]: 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 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. - 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 PartialOrderCegarLoop was analyzing trace of length 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. - 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 PartialOrderCegarLoop was analyzing trace of length 1540 with TraceHistMax 172,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 999 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 805.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown