/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 03:49:48,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 03:49:48,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 03:49:48,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 03:49:48,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 03:49:48,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 03:49:48,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 03:49:48,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 03:49:48,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 03:49:48,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 03:49:48,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 03:49:48,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 03:49:48,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 03:49:48,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 03:49:48,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 03:49:48,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 03:49:48,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 03:49:48,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 03:49:48,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 03:49:48,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 03:49:48,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 03:49:48,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 03:49:48,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 03:49:48,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 03:49:48,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 03:49:48,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 03:49:48,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 03:49:48,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 03:49:48,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 03:49:48,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 03:49:48,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 03:49:48,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 03:49:48,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 03:49:48,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 03:49:48,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 03:49:48,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 03:49:48,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 03:49:48,319 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 03:49:48,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 03:49:48,319 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 03:49:48,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 03:49:48,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 03:49:48,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:49:48,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 03:49:48,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 03:49:48,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 03:49:48,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 03:49:48,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 03:49:48,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 03:49:48,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 03:49:48,542 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 03:49:48,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2022-03-02 03:49:48,543 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2022-03-02 03:49:48,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 03:49:48,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 03:49:48,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 03:49:48,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 03:49:48,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 03:49:48,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,578 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 03:49:48,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 03:49:48,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 03:49:48,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 03:49:48,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 03:49:48,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 03:49:48,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 03:49:48,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 03:49:48,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 03:49:48,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/1) ... [2022-03-02 03:49:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:49:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:49:48,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 03:49:48,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 03:49:48,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 03:49:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 03:49:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 03:49:48,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 03:49:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 03:49:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 03:49:48,641 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 03:49:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 03:49:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 03:49:48,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 03:49:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 03:49:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 03:49:48,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 03:49:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 03:49:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 03:49:48,644 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 03:49:48,680 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 03:49:48,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 03:49:48,755 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 03:49:48,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 03:49:48,760 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 03:49:48,762 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:49:48 BoogieIcfgContainer [2022-03-02 03:49:48,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 03:49:48,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 03:49:48,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 03:49:48,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 03:49:48,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:49:48" (1/2) ... [2022-03-02 03:49:48,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b9d179 and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:49:48, skipping insertion in model container [2022-03-02 03:49:48,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:49:48" (2/2) ... [2022-03-02 03:49:48,768 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2022-03-02 03:49:48,772 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 03:49:48,772 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 03:49:48,772 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 03:49:48,772 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 03:49:48,818 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-02 03:49:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 03:49:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:49:48,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 03:49:48,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 03:49:48,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 03:49:48,886 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 03:49:48,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-02 03:49:49,280 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 30370 transitions and produced 7887 states. [2022-03-02 03:49:49,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 03:49:49,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:49:49,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1299754553, now seen corresponding path program 1 times [2022-03-02 03:49:49,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:49:49,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649115997] [2022-03-02 03:49:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:49:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:49:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:49:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:49:50,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:49:50,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649115997] [2022-03-02 03:49:50,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649115997] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 03:49:50,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677252551] [2022-03-02 03:49:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:49:50,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 03:49:50,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:49:50,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 03:49:50,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 03:49:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:49:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 53 conjunts are in the unsatisfiable core [2022-03-02 03:49:50,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 04:04:32,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:04:32,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:04:32,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:04:33,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 04:04:33,113 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 [2022-03-02 04:04:33,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-02 04:04:33,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-02 04:04:33,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 04:04:33,137 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2022-03-02 04:04:33,138 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-02 04:04:33,139 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-02 04:04:33,139 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-02 04:04:33,139 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-02 04:04:33,145 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-02 04:04:33,147 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:04:33,147 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:04:33,149 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:04:33 BasicIcfg [2022-03-02 04:04:33,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:04:33,150 INFO L158 Benchmark]: Toolchain (without parser) took 884589.72ms. Allocated memory was 218.1MB in the beginning and 758.1MB in the end (delta: 540.0MB). Free memory was 182.9MB in the beginning and 580.0MB in the end (delta: -397.2MB). Peak memory consumption was 492.1MB. Max. memory is 8.0GB. [2022-03-02 04:04:33,150 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 218.1MB. Free memory is still 183.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:04:33,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.05ms. Allocated memory is still 218.1MB. Free memory was 182.7MB in the beginning and 181.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:04:33,150 INFO L158 Benchmark]: Boogie Preprocessor took 11.72ms. Allocated memory is still 218.1MB. Free memory was 181.2MB in the beginning and 180.2MB in the end (delta: 998.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 04:04:33,151 INFO L158 Benchmark]: RCFGBuilder took 169.33ms. Allocated memory is still 218.1MB. Free memory was 180.2MB in the beginning and 171.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 04:04:33,151 INFO L158 Benchmark]: TraceAbstraction took 884385.97ms. Allocated memory was 218.1MB in the beginning and 758.1MB in the end (delta: 540.0MB). Free memory was 170.6MB in the beginning and 580.0MB in the end (delta: -409.4MB). Peak memory consumption was 479.5MB. Max. memory is 8.0GB. [2022-03-02 04:04:33,153 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 218.1MB. Free memory is still 183.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.05ms. Allocated memory is still 218.1MB. Free memory was 182.7MB in the beginning and 181.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.72ms. Allocated memory is still 218.1MB. Free memory was 181.2MB in the beginning and 180.2MB in the end (delta: 998.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 169.33ms. Allocated memory is still 218.1MB. Free memory was 180.2MB in the beginning and 171.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 884385.97ms. Allocated memory was 218.1MB in the beginning and 758.1MB in the end (delta: 540.0MB). Free memory was 170.6MB in the beginning and 580.0MB in the end (delta: -409.4MB). Peak memory consumption was 479.5MB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 56]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 55]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 55]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 57]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 58 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 884.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, 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