/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_1w1r-1.line306.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 07:08:25,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 07:08:25,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 07:08:25,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 07:08:25,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 07:08:25,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 07:08:25,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 07:08:25,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 07:08:25,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 07:08:25,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 07:08:25,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 07:08:25,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 07:08:25,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 07:08:25,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 07:08:25,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 07:08:25,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 07:08:25,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 07:08:25,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 07:08:25,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 07:08:25,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 07:08:25,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 07:08:25,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 07:08:25,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 07:08:25,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 07:08:25,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-30 07:08:25,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-30 07:08:25,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-30 07:08:25,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-30 07:08:25,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-30 07:08:25,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-30 07:08:25,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-30 07:08:25,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-30 07:08:25,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-30 07:08:25,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-30 07:08:25,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-30 07:08:25,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-30 07:08:25,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-30 07:08:25,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-30 07:08:25,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 07:08:25,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 07:08:25,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 07:08:25,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 07:08:25,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 07:08:25,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 07:08:25,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 07:08:25,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 07:08:25,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 07:08:25,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 07:08:25,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 07:08:25,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 07:08:25,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 07:08:25,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 07:08:25,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:08:25,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 07:08:25,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 07:08:25,639 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 07:08:25,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 07:08:25,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 07:08:25,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 07:08:25,838 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 07:08:25,838 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 07:08:25,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_1w1r-1.line306.bpl [2022-09-30 07:08:25,840 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_1w1r-1.line306.bpl' [2022-09-30 07:08:25,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 07:08:25,875 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 07:08:25,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 07:08:25,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 07:08:25,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 07:08:25,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 07:08:25,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 07:08:25,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 07:08:25,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 07:08:25,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/1) ... [2022-09-30 07:08:25,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:08:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:08:25,997 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) [2022-09-30 07:08:26,000 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 [2022-09-30 07:08:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2022-09-30 07:08:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2022-09-30 07:08:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 07:08:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 07:08:26,048 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 07:08:26,129 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 07:08:26,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 07:08:26,467 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 07:08:26,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 07:08:26,477 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-30 07:08:26,478 INFO L202 PluginConnector]: Adding new model ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:08:26 BoogieIcfgContainer [2022-09-30 07:08:26,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 07:08:26,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 07:08:26,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 07:08:26,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 07:08:26,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:08:25" (1/2) ... [2022-09-30 07:08:26,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@938fbe7 and model type ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 07:08:26, skipping insertion in model container [2022-09-30 07:08:26,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:08:26" (2/2) ... [2022-09-30 07:08:26,500 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.line306.bpl [2022-09-30 07:08:26,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 07:08:26,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 07:08:26,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 07:08:26,513 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 07:08:26,587 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-30 07:08:26,620 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 07:08:26,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 07:08:26,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:08:26,622 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) [2022-09-30 07:08:26,623 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 [2022-09-30 07:08:26,676 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 07:08:26,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_nowait_fnErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 07:08:26,686 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43c97ff5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 07:08:26,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 07:08:26,688 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-30 07:08:26,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 07:08:26,693 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 07:08:26,695 INFO L307 ceAbstractionStarter]: Result for error location reader_nowait_fnErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-30 07:08:26,701 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 07:08:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 07:08:26,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:08:26,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 07:08:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-30 07:08:26,711 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 07:08:26,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 07:08:26,712 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43c97ff5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 07:08:26,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 07:08:26,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 07:08:26,738 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 07:08:26,738 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-30 07:08:26,752 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 07:08:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 07:08:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:08:26,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 07:08:26,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-30 07:08:26,796 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 07:08:26,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_nowait_fnErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 07:08:26,798 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43c97ff5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 07:08:26,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 07:08:26,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONASSERT === [reader_nowait_fnErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:08:26,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:08:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash -835028698, now seen corresponding path program 1 times [2022-09-30 07:08:26,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:08:26,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442924752] [2022-09-30 07:08:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:08:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:08:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:08:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:08:27,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:08:27,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442924752] [2022-09-30 07:08:27,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442924752] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:08:27,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:08:27,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 07:08:27,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010827496] [2022-09-30 07:08:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:08:27,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 07:08:27,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:08:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 07:08:27,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 07:08:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:08:27,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 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) [2022-09-30 07:08:27,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 07:08:27,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONASSERT === [reader_nowait_fnErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:08:27,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:08:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1757762509, now seen corresponding path program 1 times [2022-09-30 07:08:27,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:08:27,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70509454] [2022-09-30 07:08:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:08:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:08:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:08:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:08:27,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:08:27,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70509454] [2022-09-30 07:08:27,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70509454] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:08:27,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:08:27,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 07:08:27,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150888821] [2022-09-30 07:08:27,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:08:27,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 07:08:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:08:27,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 07:08:27,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 07:08:27,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:08:27,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-09-30 07:08:27,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:08:27,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 07:08:27,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONASSERT === [reader_nowait_fnErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:08:27,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:08:27,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1972331221, now seen corresponding path program 1 times [2022-09-30 07:08:27,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:08:27,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384955729] [2022-09-30 07:08:27,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:08:27,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:08:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:08:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:08:27,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:08:27,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384955729] [2022-09-30 07:08:27,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384955729] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:08:27,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954480046] [2022-09-30 07:08:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:08:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:08:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:08:27,843 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) [2022-09-30 07:08:27,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-30 07:08:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:08:28,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-30 07:08:28,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:08:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:08:28,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:08:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:08:28,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954480046] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:08:28,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:08:28,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2022-09-30 07:08:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874649209] [2022-09-30 07:08:28,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:08:28,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 07:08:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:08:28,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 07:08:28,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-09-30 07:08:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:08:28,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 30.2) internal successors, (302), 10 states have internal predecessors, (302), 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) [2022-09-30 07:08:28,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:08:28,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:08:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-30 07:08:28,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-30 07:08:28,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:08:28,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONASSERT === [reader_nowait_fnErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:08:28,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:08:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash 632146325, now seen corresponding path program 2 times [2022-09-30 07:08:28,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:08:28,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657688151] [2022-09-30 07:08:28,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:08:28,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:08:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:08:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-09-30 07:08:28,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:08:28,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657688151] [2022-09-30 07:08:28,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657688151] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:08:28,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:08:28,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-30 07:08:28,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932033862] [2022-09-30 07:08:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:08:28,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 07:08:28,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:08:28,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 07:08:28,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-30 07:08:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:08:28,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 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) [2022-09-30 07:08:28,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:28,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:08:28,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-09-30 07:08:28,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:08:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:08:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-30 07:08:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-30 07:08:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 07:08:29,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-30 07:08:29,839 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-09-30 07:08:29,839 INFO L307 ceAbstractionStarter]: Result for error location reader_nowait_fnErr0ASSERT_VIOLATIONASSERT was SAFE (3/3) [2022-09-30 07:08:29,841 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 07:08:29,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 07:08:29,846 INFO L202 PluginConnector]: Adding new model ring_1w1r-1.line306.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 07:08:29 BasicIcfg [2022-09-30 07:08:29,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 07:08:29,846 INFO L158 Benchmark]: Toolchain (without parser) took 3971.35ms. Allocated memory was 191.9MB in the beginning and 323.0MB in the end (delta: 131.1MB). Free memory was 147.1MB in the beginning and 272.5MB in the end (delta: -125.4MB). Peak memory consumption was 170.7MB. Max. memory is 8.0GB. [2022-09-30 07:08:29,846 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 191.9MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 07:08:29,846 INFO L158 Benchmark]: Boogie Preprocessor took 72.88ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 144.3MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-30 07:08:29,847 INFO L158 Benchmark]: RCFGBuilder took 523.05ms. Allocated memory is still 191.9MB. Free memory was 144.2MB in the beginning and 147.7MB in the end (delta: -3.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-09-30 07:08:29,847 INFO L158 Benchmark]: TraceAbstraction took 3365.88ms. Allocated memory was 191.9MB in the beginning and 323.0MB in the end (delta: 131.1MB). Free memory was 147.0MB in the beginning and 272.5MB in the end (delta: -125.5MB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. [2022-09-30 07:08:29,848 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 0.17ms. Allocated memory is still 191.9MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 72.88ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 144.3MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 523.05ms. Allocated memory is still 191.9MB. Free memory was 144.2MB in the beginning and 147.7MB in the end (delta: -3.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3365.88ms. Allocated memory was 191.9MB in the beginning and 323.0MB in the end (delta: 131.1MB). Free memory was 147.0MB in the beginning and 272.5MB in the end (delta: -125.5MB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.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] , IndependenceRelationWithAbstraction.Statistics on underlying relation: 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: 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: 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] , 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, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.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] , IndependenceRelationWithAbstraction.Statistics on underlying relation: 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: 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: 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] , 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, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 31, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27289, positive: 25798, positive conditional: 25798, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25868, positive: 25798, positive conditional: 0, positive unconditional: 25798, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7447, positive: 7430, positive conditional: 0, positive unconditional: 7430, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25868, positive: 18368, positive conditional: 0, positive unconditional: 18368, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 7447, unknown conditional: 0, unknown unconditional: 7447] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 125, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27289, positive: 25798, positive conditional: 25798, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25868, positive: 25798, positive conditional: 0, positive unconditional: 25798, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7447, positive: 7430, positive conditional: 0, positive unconditional: 7430, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25868, positive: 18368, positive conditional: 0, positive unconditional: 18368, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 7447, unknown conditional: 0, unknown unconditional: 7447] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 13, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 280, positive: 262, positive conditional: 262, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27289, positive: 25798, positive conditional: 25798, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25868, positive: 25798, positive conditional: 0, positive unconditional: 25798, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7447, positive: 7430, positive conditional: 0, positive unconditional: 7430, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25868, positive: 18368, positive conditional: 0, positive unconditional: 18368, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 7447, unknown conditional: 0, unknown unconditional: 7447] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 262, Positive conditional cache size: 0, Positive unconditional cache size: 262, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 31, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 871, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27289, positive: 25798, positive conditional: 25798, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25868, positive: 25798, positive conditional: 0, positive unconditional: 25798, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7447, positive: 7430, positive conditional: 0, positive unconditional: 7430, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25868, positive: 18368, positive conditional: 0, positive unconditional: 18368, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 7447, unknown conditional: 0, unknown unconditional: 7447] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 448, Positive conditional cache size: 0, Positive unconditional cache size: 448, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 78, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 25982, positive: 24569, positive conditional: 24569, positive unconditional: 0, negative: 1413, negative conditional: 1413, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27289, positive: 25798, positive conditional: 25798, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25868, positive: 25798, positive conditional: 0, positive unconditional: 25798, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7447, positive: 7430, positive conditional: 0, positive unconditional: 7430, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25868, positive: 18368, positive conditional: 0, positive unconditional: 18368, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 7447, unknown conditional: 0, unknown unconditional: 7447] , Statistics on independence cache: Total cache size (in pairs): 7447, Positive cache size: 7430, Positive conditional cache size: 0, Positive unconditional cache size: 7430, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 1421, Statistics for Abstraction: - PositiveResult [Line: 306]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: reader_nowait_fnErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 409 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: reader_nowait_fnErr0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 3 procedures, 409 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 941 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1123 ConstructedInterpolants, 0 QuantifiedInterpolants, 2342 SizeOfPredicates, 3 NumberOfNonLiveVariables, 433 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 162/165 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 409 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-30 07:08:29,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-30 07:08:30,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-09-30 07:08:30,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-09-30 07:08:30,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...