/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 11:31:42,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 11:31:42,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 11:31:42,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 11:31:42,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 11:31:42,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 11:31:42,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 11:31:42,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 11:31:42,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 11:31:42,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 11:31:42,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 11:31:42,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 11:31:42,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 11:31:42,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 11:31:42,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 11:31:42,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 11:31:42,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 11:31:42,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 11:31:42,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 11:31:42,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 11:31:42,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-16 11:31:42,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 11:31:42,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 11:31:42,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 11:31:42,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 11:31:42,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 11:31:42,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 11:31:42,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 11:31:42,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 11:31:42,790 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 11:31:42,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 11:31:42,790 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 11:31:42,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 11:31:42,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 11:31:42,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:31:42,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 11:31:42,792 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 11:31:42,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 11:31:42,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 11:31:42,793 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 11:31:42,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 11:31:42,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 11:31:42,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 11:31:42,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 11:31:42,976 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 11:31:42,978 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 11:31:42,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2022-02-16 11:31:42,979 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2022-02-16 11:31:42,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 11:31:42,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 11:31:42,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 11:31:42,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 11:31:42,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 11:31:43,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,016 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 11:31:43,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 11:31:43,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 11:31:43,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 11:31:43,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 11:31:43,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 11:31:43,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 11:31:43,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 11:31:43,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 11:31:43,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/1) ... [2022-02-16 11:31:43,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:31:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:31:43,066 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) [2022-02-16 11:31:43,074 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 [2022-02-16 11:31:43,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 11:31:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 11:31:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 11:31:43,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 11:31:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 11:31:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 11:31:43,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 11:31:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 11:31:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 11:31:43,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 11:31:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 11:31:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 11:31:43,096 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 11:31:43,138 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 11:31:43,139 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 11:31:43,251 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 11:31:43,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 11:31:43,277 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 11:31:43,283 INFO L202 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:31:43 BoogieIcfgContainer [2022-02-16 11:31:43,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 11:31:43,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 11:31:43,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 11:31:43,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 11:31:43,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:31:42" (1/2) ... [2022-02-16 11:31:43,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cba738c and model type queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:31:43, skipping insertion in model container [2022-02-16 11:31:43,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:31:43" (2/2) ... [2022-02-16 11:31:43,301 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-3-nl.wvr.bpl [2022-02-16 11:31:43,304 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 11:31:43,305 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 11:31:43,305 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 11:31:43,305 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 11:31:43,338 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 11:31:43,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 11:31:43,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:31:43,367 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) [2022-02-16 11:31:43,368 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 [2022-02-16 11:31:43,394 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 11:31:43,398 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 [2022-02-16 11:31:43,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 11:31:43,589 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4361 transitions and produced 3719 states. [2022-02-16 11:31:43,591 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:31:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:31:43,595 INFO L85 PathProgramCache]: Analyzing trace with hash -664085489, now seen corresponding path program 1 times [2022-02-16 11:31:43,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:31:43,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716711585] [2022-02-16 11:31:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:31:43,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:31:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:31:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 92288 backedges. 75 proven. 91225 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-02-16 11:31:51,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:31:51,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716711585] [2022-02-16 11:31:51,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716711585] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:31:51,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692449495] [2022-02-16 11:31:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:31:51,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:31:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:31:51,463 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) [2022-02-16 11:31:51,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 11:31:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:31:51,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2993 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-16 11:31:51,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:31:55,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-16 11:31:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 92288 backedges. 0 proven. 82902 refuted. 0 times theorem prover too weak. 9386 trivial. 0 not checked. [2022-02-16 11:31:56,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:31:57,815 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 11:31:57,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 11:31:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 92288 backedges. 265 proven. 82637 refuted. 0 times theorem prover too weak. 9386 trivial. 0 not checked. [2022-02-16 11:31:58,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692449495] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:31:58,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:31:58,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 27, 27] total 131 [2022-02-16 11:31:58,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449764216] [2022-02-16 11:31:58,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:31:58,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2022-02-16 11:31:58,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:31:58,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2022-02-16 11:31:58,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=17025, Unknown=0, NotChecked=0, Total=17292 [2022-02-16 11:31:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:31:58,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:31:58,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 8.446969696969697) internal successors, (1115), 131 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:31:58,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:32:26,665 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5378 transitions and produced 4111 states. [2022-02-16 11:32:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-02-16 11:32:26,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 11:32:26,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-16 11:32:26,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:32:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:32:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1727001349, now seen corresponding path program 2 times [2022-02-16 11:32:26,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:32:26,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774793981] [2022-02-16 11:32:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:32:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:32:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:32:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 73981 backedges. 111 proven. 73633 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-02-16 11:32:39,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:32:39,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774793981] [2022-02-16 11:32:39,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774793981] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:32:39,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129690047] [2022-02-16 11:32:39,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 11:32:39,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:32:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:32:39,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:32:39,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 11:32:39,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 11:32:39,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:32:39,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 388 conjunts are in the unsatisfiable core [2022-02-16 11:32:39,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:33:04,786 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:33:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 73981 backedges. 111 proven. 73633 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-02-16 11:33:04,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:33:12,017 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 11:33:12,018 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-16 11:33:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 73981 backedges. 111 proven. 73633 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-02-16 11:33:21,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129690047] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:33:21,402 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:33:21,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [161, 160, 160] total 355 [2022-02-16 11:33:21,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669700757] [2022-02-16 11:33:21,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:33:21,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 356 states [2022-02-16 11:33:21,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:33:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 356 interpolants. [2022-02-16 11:33:21,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=904, Invalid=125476, Unknown=0, NotChecked=0, Total=126380 [2022-02-16 11:33:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:33:21,420 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:33:21,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 356 states, 356 states have (on average 7.081460674157303) internal successors, (2521), 355 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:33:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-02-16 11:33:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:34:50,483 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9297 transitions and produced 7928 states. [2022-02-16 11:34:50,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-02-16 11:34:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-16 11:34:50,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 11:34:50,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:34:50,685 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:34:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:34:50,686 INFO L85 PathProgramCache]: Analyzing trace with hash 80520987, now seen corresponding path program 3 times [2022-02-16 11:34:50,686 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:34:50,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182972247] [2022-02-16 11:34:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:34:50,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:35:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:35:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 450513 backedges. 117 proven. 448674 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-02-16 11:35:25,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:35:25,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182972247] [2022-02-16 11:35:25,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182972247] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:35:25,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37871547] [2022-02-16 11:35:25,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:35:25,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:35:25,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:35:25,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:35:25,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 11:35:32,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 422 check-sat command(s) [2022-02-16 11:35:32,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:35:32,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 6587 conjuncts, 1194 conjunts are in the unsatisfiable core [2022-02-16 11:35:32,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:38:13,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:38:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 450513 backedges. 127 proven. 450026 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-02-16 11:38:14,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:38:32,376 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 11:38:32,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-02-16 11:38:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 450513 backedges. 117 proven. 448674 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-02-16 11:38:52,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37871547] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:38:52,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:38:52,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [253, 518, 252] total 811 [2022-02-16 11:38:52,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797771662] [2022-02-16 11:38:52,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:38:52,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 812 states [2022-02-16 11:38:52,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:38:52,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 812 interpolants. [2022-02-16 11:38:52,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2186, Invalid=656346, Unknown=0, NotChecked=0, Total=658532 [2022-02-16 11:38:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:38:52,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:38:52,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 812 states, 812 states have (on average 6.035714285714286) internal successors, (4901), 811 states have internal predecessors, (4901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:38:52,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-02-16 11:38:52,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-16 11:38:52,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-16 11:44:10,338 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 [2022-02-16 11:44:10,338 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:44:10,338 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 [2022-02-16 11:44:10,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 11:44:10,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:44:10,527 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1009 known predicates. [2022-02-16 11:44:10,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 11:44:10,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 11:44:10,529 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 11:44:10,530 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 11:44:10,533 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-02-16 11:44:10,535 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 11:44:10,535 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 11:44:10,536 INFO L202 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:44:10 BasicIcfg [2022-02-16 11:44:10,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 11:44:10,537 INFO L158 Benchmark]: Toolchain (without parser) took 747538.35ms. Allocated memory was 181.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 140.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 576.6MB. Max. memory is 8.0GB. [2022-02-16 11:44:10,537 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 11:44:10,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.14ms. Allocated memory is still 181.4MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:44:10,538 INFO L158 Benchmark]: Boogie Preprocessor took 11.20ms. Allocated memory is still 181.4MB. Free memory was 138.9MB in the beginning and 137.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:44:10,538 INFO L158 Benchmark]: RCFGBuilder took 253.41ms. Allocated memory is still 181.4MB. Free memory was 137.9MB in the beginning and 127.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 11:44:10,538 INFO L158 Benchmark]: TraceAbstraction took 747244.46ms. Allocated memory was 181.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 127.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 563.0MB. Max. memory is 8.0GB. [2022-02-16 11:44:10,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.14ms. Allocated memory is still 181.4MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.20ms. Allocated memory is still 181.4MB. Free memory was 138.9MB in the beginning and 137.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 253.41ms. Allocated memory is still 181.4MB. Free memory was 137.9MB in the beginning and 127.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 747244.46ms. Allocated memory was 181.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 127.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 563.0MB. 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: 96]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1009 known predicates. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1009 known predicates. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1009 known predicates. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1009 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 747.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 434.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 517, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 21.1s SatisfiabilityAnalysisTime, 290.0s InterpolantComputationTime, 10748 NumberOfCodeBlocks, 10748 NumberOfCodeBlocksAsserted, 428 NumberOfCheckSat, 16113 ConstructedInterpolants, 0 QuantifiedInterpolants, 145006 SizeOfPredicates, 13 NumberOfNonLiveVariables, 12601 ConjunctsInSsa, 1636 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 25309/1850346 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown