/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line601.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-24 21:23:36,978 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-24 21:23:36,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-24 21:23:37,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-24 21:23:37,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-24 21:23:37,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-24 21:23:37,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-24 21:23:37,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-24 21:23:37,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-24 21:23:37,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-24 21:23:37,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-24 21:23:37,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-24 21:23:37,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-24 21:23:37,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-24 21:23:37,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-24 21:23:37,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-24 21:23:37,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-24 21:23:37,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-24 21:23:37,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-24 21:23:37,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-24 21:23:37,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-24 21:23:37,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-24 21:23:37,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-24 21:23:37,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-24 21:23:37,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-24 21:23:37,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-24 21:23:37,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-24 21:23:37,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-24 21:23:37,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-24 21:23:37,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-24 21:23:37,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-24 21:23:37,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-24 21:23:37,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-24 21:23:37,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-24 21:23:37,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-24 21:23:37,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-24 21:23:37,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-24 21:23:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-24 21:23:37,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-24 21:23:37,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-24 21:23:37,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-24 21:23:37,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-24 21:23:37,097 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-24 21:23:37,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-24 21:23:37,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-24 21:23:37,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-24 21:23:37,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-24 21:23:37,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-24 21:23:37,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-24 21:23:37,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-24 21:23:37,101 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-24 21:23:37,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-24 21:23:37,101 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-24 21:23:37,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-24 21:23:37,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 21:23:37,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-24 21:23:37,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-24 21:23:37,104 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-24 21:23:37,105 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-24 21:23:37,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-24 21:23:37,105 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-24 21:23:37,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-24 21:23:37,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-24 21:23:37,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-24 21:23:37,509 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-24 21:23:37,510 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-24 21:23:37,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line601.bpl
[2022-10-24 21:23:37,512 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/09-regions_01-list_rc.line601.bpl'
[2022-10-24 21:23:37,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-24 21:23:37,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-24 21:23:37,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-24 21:23:37,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-24 21:23:37,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-24 21:23:37,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,611 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-24 21:23:37,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-24 21:23:37,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-24 21:23:37,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-24 21:23:37,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-24 21:23:37,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-24 21:23:37,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-24 21:23:37,681 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-24 21:23:37,681 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-24 21:23:37,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/1) ...
[2022-10-24 21:23:37,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 21:23:37,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 21:23:37,706 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)
[2022-10-24 21:23:37,709 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
[2022-10-24 21:23:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-24 21:23:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-24 21:23:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-10-24 21:23:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-10-24 21:23:37,748 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-24 21:23:37,884 INFO L234 CfgBuilder]: Building ICFG
[2022-10-24 21:23:37,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-24 21:23:38,301 INFO L275 CfgBuilder]: Performing block encoding
[2022-10-24 21:23:38,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-24 21:23:38,319 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-24 21:23:38,322 INFO L202 PluginConnector]: Adding new model 09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:23:38 BoogieIcfgContainer
[2022-10-24 21:23:38,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-24 21:23:38,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-24 21:23:38,325 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-24 21:23:38,327 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-24 21:23:38,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:23:37" (1/2) ...
[2022-10-24 21:23:38,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca74e04 and model type 09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:23:38, skipping insertion in model container
[2022-10-24 21:23:38,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:23:38" (2/2) ...
[2022-10-24 21:23:38,330 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.line601.bpl
[2022-10-24 21:23:38,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-24 21:23:38,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-24 21:23:38,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-24 21:23:38,341 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-24 21:23:38,415 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-24 21:23:38,454 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-24 21:23:38,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 21:23:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 21:23:38,456 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)
[2022-10-24 21:23:38,457 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
[2022-10-24 21:23:38,481 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 21:23:38,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-24 21:23:38,496 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;@780b3ff6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 21:23:38,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 21:23:38,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 21:23:38,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 21:23:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1873684809, now seen corresponding path program 1 times
[2022-10-24 21:23:38,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 21:23:38,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031444833]
[2022-10-24 21:23:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 21:23:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 21:23:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 21:23:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 21:23:38,991 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 21:23:38,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031444833]
[2022-10-24 21:23:38,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031444833] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 21:23:38,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 21:23:38,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-10-24 21:23:38,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364919825]
[2022-10-24 21:23:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 21:23:39,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-10-24 21:23:39,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 21:23:39,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-10-24 21:23:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2022-10-24 21:23:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-24 21:23:39,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 21:23:39,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 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)
[2022-10-24 21:23:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-10-24 21:23:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-10-24 21:23:39,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-24 21:23:39,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-24 21:23:39,227 INFO L444 BasicCegarLoop]: Path program histogram: [1]
[2022-10-24 21:23:39,228 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/2)
[2022-10-24 21:23:39,232 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-24 21:23:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 21:23:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 21:23:39,233 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)
[2022-10-24 21:23:39,247 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
[2022-10-24 21:23:39,249 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 21:23:39,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 21:23:39,250 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;@780b3ff6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 21:23:39,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 21:23:39,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 21:23:39,262 INFO L444 BasicCegarLoop]: Path program histogram: []
[2022-10-24 21:23:39,263 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/2)
[2022-10-24 21:23:39,263 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-10-24 21:23:39,263 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-10-24 21:23:39,266 INFO L202 PluginConnector]: Adding new model 09-regions_01-list_rc.line601.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:23:39 BasicIcfg
[2022-10-24 21:23:39,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-24 21:23:39,266 INFO L158 Benchmark]: Toolchain (without parser) took 1699.95ms. Allocated memory is still 169.9MB. Free memory was 145.5MB in the beginning and 119.7MB in the end (delta: 25.8MB). Peak memory consumption was 25.5MB. Max. memory is 8.0GB.
[2022-10-24 21:23:39,267 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.53ms. Allocated memory is still 169.9MB. Free memory was 148.4MB in the beginning and 148.4MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-10-24 21:23:39,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 169.9MB. Free memory was 145.4MB in the beginning and 143.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-24 21:23:39,267 INFO L158 Benchmark]: Boogie Preprocessor took 65.81ms. Allocated memory is still 169.9MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-10-24 21:23:39,268 INFO L158 Benchmark]: RCFGBuilder took 641.28ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 145.8MB in the end (delta: -4.4MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB.
[2022-10-24 21:23:39,268 INFO L158 Benchmark]: TraceAbstraction took 942.08ms. Allocated memory is still 169.9MB. Free memory was 145.2MB in the beginning and 119.7MB in the end (delta: 25.5MB). Peak memory consumption was 24.5MB. Max. memory is 8.0GB.
[2022-10-24 21:23:39,269 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 0.53ms. Allocated memory is still 169.9MB. Free memory was 148.4MB in the beginning and 148.4MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 45.64ms. Allocated memory is still 169.9MB. Free memory was 145.4MB in the beginning and 143.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 65.81ms. Allocated memory is still 169.9MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 641.28ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 145.8MB in the end (delta: -4.4MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB.
* TraceAbstraction took 942.08ms. Allocated memory is still 169.9MB. Free memory was 145.2MB in the beginning and 119.7MB in the end (delta: 25.5MB). Peak memory consumption was 24.5MB. 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 #2 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:
- PositiveResult [Line: 601]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances
CFG has 3 procedures, 397 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 11, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 3 procedures, 397 locations, 2 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!
[2022-10-24 21:23:39,292 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
[2022-10-24 21:23:39,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-10-24 21:23:39,704 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...