/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 12:11:54,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 12:11:54,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 12:11:54,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 12:11:54,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 12:11:54,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 12:11:54,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 12:11:54,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 12:11:54,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 12:11:54,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 12:11:54,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 12:11:54,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 12:11:54,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 12:11:54,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 12:11:54,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 12:11:54,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 12:11:54,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 12:11:54,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 12:11:54,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 12:11:54,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 12:11:54,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 12:11:54,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 12:11:54,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 12:11:54,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 12:11:54,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 12:11:54,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 12:11:54,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 12:11:54,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 12:11:54,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 12:11:54,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 12:11:54,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 12:11:54,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 12:11:54,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 12:11:54,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 12:11:54,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 12:11:54,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 12:11:54,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 12:11:54,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 12:11:54,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 12:11:54,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 12:11:54,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 12:11:54,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-20 12:11:54,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 12:11:54,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 12:11:54,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 12:11:54,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 12:11:54,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 12:11:54,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 12:11:54,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 12:11:54,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 12:11:54,377 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 12:11:54,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 12:11:54,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 12:11:54,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 12:11:54,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 12:11:54,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 12:11:54,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 12:11:54,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 12:11:54,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 12:11:54,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:11:54,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 12:11:54,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 12:11:54,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 12:11:54,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 12:11:54,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 12:11:54,382 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 12:11:54,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 12:11:54,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 12:11:54,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 12:11:54,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 12:11:54,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 12:11:54,638 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 12:11:54,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2022-02-20 12:11:54,639 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2022-02-20 12:11:54,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 12:11:54,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 12:11:54,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 12:11:54,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 12:11:54,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 12:11:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,690 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 12:11:54,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 12:11:54,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 12:11:54,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 12:11:54,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 12:11:54,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 12:11:54,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 12:11:54,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 12:11:54,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 12:11:54,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/1) ... [2022-02-20 12:11:54,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:11:54,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:11:54,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 12:11:54,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 12:11:54,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 12:11:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 12:11:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 12:11:54,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 12:11:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 12:11:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 12:11:54,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 12:11:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 12:11:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 12:11:54,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 12:11:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 12:11:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 12:11:54,797 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 12:11:54,841 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 12:11:54,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 12:11:54,981 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 12:11:54,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 12:11:54,995 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 12:11:54,997 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:11:54 BoogieIcfgContainer [2022-02-20 12:11:54,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 12:11:54,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 12:11:54,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 12:11:55,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 12:11:55,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:54" (1/2) ... [2022-02-20 12:11:55,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bed00c and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:11:55, skipping insertion in model container [2022-02-20 12:11:55,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:11:54" (2/2) ... [2022-02-20 12:11:55,004 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2022-02-20 12:11:55,008 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 12:11:55,009 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 12:11:55,009 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 12:11:55,009 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 12:11:55,039 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 12:11:55,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 12:11:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:11:55,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 12:11:55,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 12:11:55,125 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 12:11:55,132 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 12:11:55,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 12:11:58,109 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 1056 states. [2022-02-20 12:11:58,111 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:11:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:11:58,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1597965262, now seen corresponding path program 1 times [2022-02-20 12:11:58,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:11:58,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344043839] [2022-02-20 12:11:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:11:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:11:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7314 proven. 1867 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-20 12:12:03,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:12:03,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344043839] [2022-02-20 12:12:03,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344043839] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:12:03,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12340426] [2022-02-20 12:12:03,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:12:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:12:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:12:03,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:12:03,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 12:12:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:03,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 143 conjunts are in the unsatisfiable core [2022-02-20 12:12:03,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:12:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 1805 proven. 7382 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-20 12:12:14,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:12:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 334 proven. 8881 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 12:12:24,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12340426] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:12:24,038 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:12:24,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [104, 110, 138] total 343 [2022-02-20 12:12:24,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775804333] [2022-02-20 12:12:24,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:12:24,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 343 states [2022-02-20 12:12:24,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:12:24,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 343 interpolants. [2022-02-20 12:12:24,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21999, Invalid=95307, Unknown=0, NotChecked=0, Total=117306 [2022-02-20 12:12:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:12:24,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:12:24,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 343 states, 343 states have (on average 2.2915451895043732) internal successors, (786), 343 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 12:12:24,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:13:23,245 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1660 transitions and produced 1635 states. [2022-02-20 12:13:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 494 states. [2022-02-20 12:13:23,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 12:13:23,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 12:13:23,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:13:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:13:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1673789286, now seen corresponding path program 2 times [2022-02-20 12:13:23,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:13:23,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312525240] [2022-02-20 12:13:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:13:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:13:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:13:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 13867 backedges. 8884 proven. 4983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:13:32,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:13:32,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312525240] [2022-02-20 12:13:32,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312525240] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:13:32,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592613121] [2022-02-20 12:13:32,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 12:13:32,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:13:32,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:13:32,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:13:32,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 12:13:32,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 12:13:32,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:13:32,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 141 conjunts are in the unsatisfiable core [2022-02-20 12:13:32,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:13:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13867 backedges. 8323 proven. 4761 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2022-02-20 12:13:46,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:13:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 13867 backedges. 8323 proven. 4761 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2022-02-20 12:13:55,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592613121] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:13:55,339 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:13:55,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 142, 142] total 387 [2022-02-20 12:13:55,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424040193] [2022-02-20 12:13:55,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:13:55,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 387 states [2022-02-20 12:13:55,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:13:55,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 387 interpolants. [2022-02-20 12:13:55,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22704, Invalid=126678, Unknown=0, NotChecked=0, Total=149382 [2022-02-20 12:13:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:13:55,356 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:13:55,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 387 states, 387 states have (on average 2.062015503875969) internal successors, (798), 387 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 12:13:55,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 494 states. [2022-02-20 12:13:55,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:15:04,451 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3671 transitions and produced 3471 states. [2022-02-20 12:15:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 922 states. [2022-02-20 12:15:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2022-02-20 12:15:04,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 12:15:04,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:15:04,653 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:15:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:15:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1672359194, now seen corresponding path program 3 times [2022-02-20 12:15:04,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:15:04,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444845393] [2022-02-20 12:15:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:15:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:15:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:15:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 101576 backedges. 77930 proven. 23536 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-02-20 12:15:35,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:15:35,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444845393] [2022-02-20 12:15:35,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444845393] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:15:35,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58882805] [2022-02-20 12:15:35,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 12:15:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:15:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:15:35,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:15:35,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 12:18:17,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 217 check-sat command(s) [2022-02-20 12:18:17,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:18:17,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 424 conjunts are in the unsatisfiable core [2022-02-20 12:18:17,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:19:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 101576 backedges. 21753 proven. 79725 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-02-20 12:19:18,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:20:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 101576 backedges. 6004 proven. 95560 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-20 12:20:38,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58882805] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:20:38,778 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:20:38,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [315, 327, 413] total 981 [2022-02-20 12:20:38,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283957807] [2022-02-20 12:20:38,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:20:38,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 981 states [2022-02-20 12:20:38,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:20:38,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 981 interpolants. [2022-02-20 12:20:38,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242609, Invalid=718771, Unknown=0, NotChecked=0, Total=961380 [2022-02-20 12:20:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:20:38,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:20:38,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 981 states, 981 states have (on average 2.240570846075433) internal successors, (2198), 981 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 12:20:38,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 922 states. [2022-02-20 12:20:38,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2022-02-20 12:20:38,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-20 12:24:08,703 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:24:08,703 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:24:08,703 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:24:08,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 12:24:08,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:24:08,980 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1668 known predicates. [2022-02-20 12:24:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 12:24:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 12:24:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 12:24:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 12:24:08,992 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-02-20 12:24:09,000 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 12:24:09,001 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 12:24:09,003 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:24:09 BasicIcfg [2022-02-20 12:24:09,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 12:24:09,004 INFO L158 Benchmark]: Toolchain (without parser) took 734339.97ms. Allocated memory was 182.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 146.4MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-20 12:24:09,004 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:24:09,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.70ms. Allocated memory is still 182.5MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:24:09,005 INFO L158 Benchmark]: Boogie Preprocessor took 15.11ms. Allocated memory is still 182.5MB. Free memory was 144.9MB in the beginning and 143.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:24:09,005 INFO L158 Benchmark]: RCFGBuilder took 287.29ms. Allocated memory is still 182.5MB. Free memory was 143.8MB in the beginning and 134.4MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 12:24:09,006 INFO L158 Benchmark]: TraceAbstraction took 734004.73ms. Allocated memory was 182.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 133.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-20 12:24:09,008 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 0.15ms. Allocated memory is still 182.5MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.70ms. Allocated memory is still 182.5MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.11ms. Allocated memory is still 182.5MB. Free memory was 144.9MB in the beginning and 143.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 287.29ms. Allocated memory is still 182.5MB. Free memory was 143.8MB in the beginning and 134.4MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 734004.73ms. Allocated memory was 182.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 133.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.2GB. 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1668 known predicates. - TimeoutResultAtElement [Line: 59]: 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 1668 known predicates. - TimeoutResultAtElement [Line: 59]: 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 1668 known predicates. - TimeoutResultAtElement [Line: 60]: 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 1668 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 733.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 341.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1986, 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: 0.2s SsaConstructionTime, 164.1s SatisfiabilityAnalysisTime, 227.4s InterpolantComputationTime, 3036 NumberOfCodeBlocks, 3036 NumberOfCodeBlocksAsserted, 223 NumberOfCheckSat, 4545 ConstructedInterpolants, 0 QuantifiedInterpolants, 38572 SizeOfPredicates, 18 NumberOfNonLiveVariables, 3804 ConjunctsInSsa, 708 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 142536/373992 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