/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-820ea7a [2022-02-19 15:34:45,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 15:34:45,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 15:34:45,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 15:34:45,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 15:34:45,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 15:34:45,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 15:34:45,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 15:34:45,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 15:34:45,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 15:34:45,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 15:34:45,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 15:34:45,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 15:34:45,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 15:34:45,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 15:34:45,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 15:34:45,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 15:34:45,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 15:34:45,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 15:34:45,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 15:34:45,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 15:34:45,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 15:34:45,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 15:34:45,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 15:34:45,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 15:34:45,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 15:34:45,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 15:34:45,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 15:34:45,931 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 [2022-02-19 15:34:45,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 15:34:45,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 15:34:45,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 15:34:45,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 15:34:45,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 15:34:45,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 15:34:45,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 15:34:45,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 15:34:45,965 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 15:34:45,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 15:34:45,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 15:34:45,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 15:34:45,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 15:34:45,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:34:45,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 15:34:45,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 15:34:45,968 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 15:34:45,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 15:34:46,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 15:34:46,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 15:34:46,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 15:34:46,200 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 15:34:46,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 15:34:46,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2022-02-19 15:34:46,205 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2022-02-19 15:34:46,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 15:34:46,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 15:34:46,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 15:34:46,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 15:34:46,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 15:34:46,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,256 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 15:34:46,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 15:34:46,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 15:34:46,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 15:34:46,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 15:34:46,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 15:34:46,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 15:34:46,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 15:34:46,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 15:34:46,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/1) ... [2022-02-19 15:34:46,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:34:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:34:46,308 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) [2022-02-19 15:34:46,324 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 [2022-02-19 15:34:46,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 15:34:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 15:34:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 15:34:46,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 15:34:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 15:34:46,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 15:34:46,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 15:34:46,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 15:34:46,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 15:34:46,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 15:34:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 15:34:46,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 15:34:46,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-19 15:34:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 15:34:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 15:34:46,360 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 15:34:46,403 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 15:34:46,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 15:34:46,508 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 15:34:46,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 15:34:46,522 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 15:34:46,523 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:34:46 BoogieIcfgContainer [2022-02-19 15:34:46,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 15:34:46,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 15:34:46,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 15:34:46,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 15:34:46,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:34:46" (1/2) ... [2022-02-19 15:34:46,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b09bdbe and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:34:46, skipping insertion in model container [2022-02-19 15:34:46,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:34:46" (2/2) ... [2022-02-19 15:34:46,536 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2022-02-19 15:34:46,541 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 15:34:46,541 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 15:34:46,541 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 15:34:46,541 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 15:34:46,596 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 15:34:46,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 15:34:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:34:46,636 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) [2022-02-19 15:34:46,637 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 [2022-02-19 15:34:46,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 15:34:46,676 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 [2022-02-19 15:34:46,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 15:34:47,281 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 30370 transitions and produced 7887 states. [2022-02-19 15:34:47,284 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 15:34:47,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:34:47,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1299754553, now seen corresponding path program 1 times [2022-02-19 15:34:47,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:34:47,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299111197] [2022-02-19 15:34:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:34:47,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:34:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:34:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:34:48,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:34:48,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299111197] [2022-02-19 15:34:48,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299111197] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:34:48,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701854226] [2022-02-19 15:34:48,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:34:48,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:34:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:34:48,339 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) [2022-02-19 15:34:48,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 15:34:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:34:48,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 53 conjunts are in the unsatisfiable core [2022-02-19 15:34:48,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-19 15:49:27,514 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 [2022-02-19 15:49:27,515 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 [2022-02-19 15:49:27,516 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 [2022-02-19 15:49:28,545 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 [2022-02-19 15:49:28,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 15:49:28,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 15:49:31,262 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-19 15:49:31,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 15:49:31,263 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. [2022-02-19 15:49:31,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-19 15:49:31,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 15:49:31,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 15:49:31,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 15:49:31,272 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-19 15:49:31,274 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 15:49:31,274 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 15:49:31,276 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:49:31 BasicIcfg [2022-02-19 15:49:31,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 15:49:31,277 INFO L158 Benchmark]: Toolchain (without parser) took 885043.86ms. Allocated memory was 181.4MB in the beginning and 648.0MB in the end (delta: 466.6MB). Free memory was 140.8MB in the beginning and 296.1MB in the end (delta: -155.2MB). Peak memory consumption was 437.3MB. Max. memory is 8.0GB. [2022-02-19 15:49:31,278 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 181.4MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 15:49:31,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.19ms. Allocated memory is still 181.4MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 15:49:31,278 INFO L158 Benchmark]: Boogie Preprocessor took 12.31ms. Allocated memory is still 181.4MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 15:49:31,279 INFO L158 Benchmark]: RCFGBuilder took 252.57ms. Allocated memory is still 181.4MB. Free memory was 138.2MB in the beginning and 129.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 15:49:31,279 INFO L158 Benchmark]: TraceAbstraction took 884750.94ms. Allocated memory was 181.4MB in the beginning and 648.0MB in the end (delta: 466.6MB). Free memory was 128.5MB in the beginning and 296.1MB in the end (delta: -167.6MB). Peak memory consumption was 424.7MB. Max. memory is 8.0GB. [2022-02-19 15:49:31,281 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 0.14ms. Allocated memory is still 181.4MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.19ms. Allocated memory is still 181.4MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.31ms. Allocated memory is still 181.4MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 252.57ms. Allocated memory is still 181.4MB. Free memory was 138.2MB in the beginning and 129.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 884750.94ms. Allocated memory was 181.4MB in the beginning and 648.0MB in the end (delta: 466.6MB). Free memory was 128.5MB in the beginning and 296.1MB in the end (delta: -167.6MB). Peak memory consumption was 424.7MB. 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: 884.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, 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