/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_2w1r-2.line417.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-04 02:54:10,833 INFO L177 SettingsManager]: Resetting all preferences to default values...
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[2022-10-04 02:54:10,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-04 02:54:10,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2022-10-04 02:54:10,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-10-04 02:54:10,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-10-04 02:54:10,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-04 02:54:10,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-04 02:54:10,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-04 02:54:10,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-04 02:54:10,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-04 02:54:10,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-04 02:54:10,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-04 02:54:10,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-04 02:54:10,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-10-04 02:54:10,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-10-04 02:54:10,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-04 02:54:10,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-04 02:54:10,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-04 02:54:10,978 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-04 02:54:10,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-04 02:54:10,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-04 02:54:10,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-04 02:54:10,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-04 02:54:10,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-04 02:54:10,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-04 02:54:10,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-04 02:54:10,981 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-04 02:54:10,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-04 02:54:10,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-04 02:54:10,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-04 02:54:10,984 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-04 02:54:10,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-04 02:54:10,984 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-04 02:54:10,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-04 02:54:10,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-04 02:54:10,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-04 02:54:10,985 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-10-04 02:54:10,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-04 02:54:10,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 02:54:10,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-04 02:54:10,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-04 02:54:10,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-04 02:54:10,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-04 02:54:10,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-04 02:54:10,986 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-04 02:54:10,986 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-04 02:54:10,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-04 02:54:10,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-04 02:54:10,987 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-04 02:54:10,987 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-04 02:54:10,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-04 02:54:10,987 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-04 02:54:11,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-04 02:54:11,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-04 02:54:11,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-04 02:54:11,297 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-04 02:54:11,298 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-04 02:54:11,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-2.line417.bpl
[2022-10-04 02:54:11,301 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-2.line417.bpl'
[2022-10-04 02:54:11,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-04 02:54:11,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-04 02:54:11,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-04 02:54:11,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-04 02:54:11,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-04 02:54:11,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-04 02:54:11,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-04 02:54:11,516 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-04 02:54:11,516 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-04 02:54:11,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/1) ...
[2022-10-04 02:54:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 02:54:11,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 02:54:11,565 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)
[2022-10-04 02:54:11,586 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
[2022-10-04 02:54:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two
[2022-10-04 02:54:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two
[2022-10-04 02:54:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn
[2022-10-04 02:54:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn
[2022-10-04 02:54:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-04 02:54:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-04 02:54:11,610 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-04 02:54:11,736 INFO L234 CfgBuilder]: Building ICFG
[2022-10-04 02:54:11,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-04 02:54:12,416 INFO L275 CfgBuilder]: Performing block encoding
[2022-10-04 02:54:12,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-04 02:54:12,435 INFO L299 CfgBuilder]: Removed 6 assume(true) statements.
[2022-10-04 02:54:12,438 INFO L202 PluginConnector]: Adding new model ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:54:12 BoogieIcfgContainer
[2022-10-04 02:54:12,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-04 02:54:12,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-04 02:54:12,441 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-04 02:54:12,445 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-04 02:54:12,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:54:11" (1/2) ...
[2022-10-04 02:54:12,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7202130 and model type ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 02:54:12, skipping insertion in model container
[2022-10-04 02:54:12,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:54:12" (2/2) ...
[2022-10-04 02:54:12,448 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.line417.bpl
[2022-10-04 02:54:12,455 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-04 02:54:12,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-04 02:54:12,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-04 02:54:12,465 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-04 02:54:12,621 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-10-04 02:54:12,679 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 02:54:12,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 02:54:12,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 02:54:12,683 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)
[2022-10-04 02:54:12,691 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
[2022-10-04 02:54:12,734 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 02:54:12,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_twoErr0ASSERT_VIOLATIONASSERT ========
[2022-10-04 02:54:12,762 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;@2a82c6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 02:54:12,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 02:54:12,766 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2022-10-04 02:54:12,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location reader_twoErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-04 02:54:12,787 INFO L444 BasicCegarLoop]: Path program histogram: []
[2022-10-04 02:54:12,790 INFO L307 ceAbstractionStarter]: Result for error location reader_twoErr0ASSERT_VIOLATIONASSERT was SAFE (1/4)
[2022-10-04 02:54:12,809 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 02:54:12,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 02:54:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 02:54:12,819 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)
[2022-10-04 02:54:12,827 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 02:54:12,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-04 02:54:12,829 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;@2a82c6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 02:54:12,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 02:54:12,835 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
[2022-10-04 02:54:13,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-04 02:54:13,452 INFO L444 BasicCegarLoop]: Path program histogram: []
[2022-10-04 02:54:13,453 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4)
[2022-10-04 02:54:13,459 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 02:54:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 02:54:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 02:54:13,509 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)
[2022-10-04 02:54:13,513 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
[2022-10-04 02:54:13,517 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 02:54:13,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-04 02:54:13,519 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;@2a82c6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 02:54:13,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 02:54:13,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-04 02:54:13,527 INFO L444 BasicCegarLoop]: Path program histogram: []
[2022-10-04 02:54:13,528 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4)
[2022-10-04 02:54:13,534 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 02:54:13,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 02:54:13,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 02:54:13,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-04 02:54:13,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2022-10-04 02:54:13,543 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 02:54:13,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_twoErr0ASSERT_VIOLATIONASSERT ========
[2022-10-04 02:54:13,544 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;@2a82c6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 02:54:13,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 02:54:14,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 02:54:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 02:54:14,282 INFO L85 PathProgramCache]: Analyzing trace with hash -665047668, now seen corresponding path program 1 times
[2022-10-04 02:54:14,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 02:54:14,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27239609]
[2022-10-04 02:54:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 02:54:14,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 02:54:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 02:54:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 02:54:14,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 02:54:14,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27239609]
[2022-10-04 02:54:14,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27239609] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 02:54:14,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 02:54:14,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-04 02:54:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621785635]
[2022-10-04 02:54:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 02:54:14,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-04 02:54:14,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 02:54:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-04 02:54:14,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-04 02:54:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:54:14,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 02:54:14,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 134.0) internal successors, (268), 2 states have internal predecessors, (268), 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)
[2022-10-04 02:54:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:54:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:54:16,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-04 02:54:16,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 02:54:16,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 02:54:16,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1748075149, now seen corresponding path program 1 times
[2022-10-04 02:54:16,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 02:54:16,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439519741]
[2022-10-04 02:54:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 02:54:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 02:54:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 02:54:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 02:54:16,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 02:54:16,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439519741]
[2022-10-04 02:54:16,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439519741] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 02:54:16,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 02:54:16,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-10-04 02:54:16,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210657797]
[2022-10-04 02:54:16,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 02:54:16,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-04 02:54:16,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 02:54:16,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-04 02:54:16,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-10-04 02:54:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:54:16,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 02:54:16,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 33.25) internal successors, (266), 9 states have internal predecessors, (266), 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)
[2022-10-04 02:54:16,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:54:16,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:58:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-04 02:58:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-10-04 02:58:31,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location reader_twoErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-04 02:58:31,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-04 02:58:31,556 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-10-04 02:58:31,557 INFO L307 ceAbstractionStarter]: Result for error location reader_twoErr0ASSERT_VIOLATIONASSERT was SAFE (4/4)
[2022-10-04 02:58:31,560 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-10-04 02:58:31,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-10-04 02:58:31,583 INFO L202 PluginConnector]: Adding new model ring_2w1r-2.line417.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 02:58:31 BasicIcfg
[2022-10-04 02:58:31,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-04 02:58:31,585 INFO L158 Benchmark]: Toolchain (without parser) took 260207.33ms. Allocated memory was 184.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 140.9MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB.
[2022-10-04 02:58:31,599 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 184.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-10-04 02:58:31,600 INFO L158 Benchmark]: Boogie Preprocessor took 126.83ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 137.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-10-04 02:58:31,601 INFO L158 Benchmark]: RCFGBuilder took 923.00ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 137.0MB in the end (delta: 299.7kB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB.
[2022-10-04 02:58:31,602 INFO L158 Benchmark]: TraceAbstraction took 259143.37ms. Allocated memory was 184.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 136.4MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB.
[2022-10-04 02:58:31,604 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 0.29ms. Allocated memory is still 184.5MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Preprocessor took 126.83ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 137.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 923.00ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 137.0MB in the end (delta: 299.7kB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB.
* TraceAbstraction took 259143.37ms. Allocated memory was 184.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 136.4MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.1GB. 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: 2813, positive: 2643, positive conditional: 2643, positive unconditional: 0, negative: 170, negative conditional: 170, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2813, positive: 2643, positive conditional: 2643, positive unconditional: 0, negative: 170, negative conditional: 170, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2666, positive: 2643, positive conditional: 0, positive unconditional: 2643, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2600, positive: 2577, positive conditional: 0, positive unconditional: 2577, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2666, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2600, unknown conditional: 0, unknown unconditional: 2600] , Statistics on independence cache: Total cache size (in pairs): 2600, Positive cache size: 2577, Positive conditional cache size: 0, Positive unconditional cache size: 2577, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Independence queries for same thread: 147, 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: 15872, positive: 15353, positive conditional: 15353, positive unconditional: 0, negative: 519, negative conditional: 519, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6385449, positive: 6186921, positive conditional: 6186921, positive unconditional: 0, negative: 198528, negative conditional: 198528, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6222631, positive: 6186921, positive conditional: 0, positive unconditional: 6186921, negative: 35710, negative conditional: 0, negative unconditional: 35710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41835, positive: 41663, positive conditional: 0, positive unconditional: 41663, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6222631, positive: 6145258, positive conditional: 0, positive unconditional: 6145258, negative: 35538, negative conditional: 0, negative unconditional: 35538, unknown: 41835, unknown conditional: 0, unknown unconditional: 41835] , Statistics on independence cache: Total cache size (in pairs): 7061, Positive cache size: 7035, Positive conditional cache size: 0, Positive unconditional cache size: 7035, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Independence queries for same thread: 489, Statistics for Abstraction:
- StatisticsResult: Independence relation #2 benchmarks
IndependenceRelationWithAbstraction.Independence Queries: [ total: 47306, positive: 45757, positive conditional: 45757, positive unconditional: 0, negative: 1549, negative conditional: 1549, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6385449, positive: 6186921, positive conditional: 6186921, positive unconditional: 0, negative: 198528, negative conditional: 198528, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6222631, positive: 6186921, positive conditional: 0, positive unconditional: 6186921, negative: 35710, negative conditional: 0, negative unconditional: 35710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41835, positive: 41663, positive conditional: 0, positive unconditional: 41663, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6222631, positive: 6145258, positive conditional: 0, positive unconditional: 6145258, negative: 35538, negative conditional: 0, negative unconditional: 35538, unknown: 41835, unknown conditional: 0, unknown unconditional: 41835] , Statistics on independence cache: Total cache size (in pairs): 7415, Positive cache size: 7389, Positive conditional cache size: 0, Positive unconditional cache size: 7389, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Independence queries for same thread: 1948, Statistics for Abstraction:
- StatisticsResult: Independence relation #3 benchmarks
IndependenceRelationWithAbstraction.Independence Queries: [ total: 6322271, positive: 6125811, positive conditional: 6125811, positive unconditional: 0, negative: 196460, negative conditional: 196460, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6385449, positive: 6186921, positive conditional: 6186921, positive unconditional: 0, negative: 198528, negative conditional: 198528, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6222631, positive: 6186921, positive conditional: 0, positive unconditional: 6186921, negative: 35710, negative conditional: 0, negative unconditional: 35710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41835, positive: 41663, positive conditional: 0, positive unconditional: 41663, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6222631, positive: 6145258, positive conditional: 0, positive unconditional: 6145258, negative: 35538, negative conditional: 0, negative unconditional: 35538, unknown: 41835, unknown conditional: 0, unknown unconditional: 41835] , Statistics on independence cache: Total cache size (in pairs): 41835, Positive cache size: 41663, Positive conditional cache size: 0, Positive unconditional cache size: 41663, Negative cache size: 172, Negative conditional cache size: 0, Negative unconditional cache size: 172, Independence queries for same thread: 162818, Statistics for Abstraction:
- PositiveResult [Line: 417]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for error location: reader_twoErr0ASSERT_VIOLATIONASSERT with 1 thread instances
CFG has 5 procedures, 790 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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_twoErr0ASSERT_VIOLATIONASSERT with 2 thread instances
CFG has 5 procedures, 790 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 258.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 256.9s, 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: 12, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 1633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 5 procedures, 790 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.6s, 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 thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
CFG has 5 procedures, 790 locations, 4 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!
[2022-10-04 02:58:31,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0
[2022-10-04 02:58:31,846 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
[2022-10-04 02:58:32,048 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
[2022-10-04 02:58:32,247 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
[2022-10-04 02:58:32,449 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...