/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/divinefifo_1w1r.line772.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-03 15:57:12,013 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-03 15:57:12,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-10-03 15:57:12,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-03 15:57:12,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-03 15:57:12,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-10-03 15:57:12,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-03 15:57:12,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-03 15:57:12,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-03 15:57:12,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-03 15:57:12,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-03 15:57:12,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-03 15:57:12,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-03 15:57:12,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-03 15:57:12,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-10-03 15:57:12,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-03 15:57:12,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-03 15:57:12,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-03 15:57:12,126 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-03 15:57:12,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-03 15:57:12,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-03 15:57:12,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-03 15:57:12,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-03 15:57:12,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-03 15:57:12,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-03 15:57:12,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-03 15:57:12,128 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-03 15:57:12,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-03 15:57:12,129 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-03 15:57:12,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-03 15:57:12,129 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-03 15:57:12,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-03 15:57:12,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-03 15:57:12,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-03 15:57:12,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-03 15:57:12,131 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-10-03 15:57:12,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 15:57:12,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-03 15:57:12,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-03 15:57:12,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-03 15:57:12,133 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-03 15:57:12,133 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-03 15:57:12,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-03 15:57:12,133 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-03 15:57:12,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-03 15:57:12,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-03 15:57:12,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-03 15:57:12,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-03 15:57:12,339 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-03 15:57:12,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line772.bpl
[2022-10-03 15:57:12,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line772.bpl'
[2022-10-03 15:57:12,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-03 15:57:12,406 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-03 15:57:12,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-03 15:57:12,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-03 15:57:12,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-03 15:57:12,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-03 15:57:12,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-03 15:57:12,510 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-03 15:57:12,511 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-03 15:57:12,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/1) ...
[2022-10-03 15:57:12,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 15:57:12,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 15:57:12,567 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)
[2022-10-03 15:57:12,620 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
[2022-10-03 15:57:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure pusher
[2022-10-03 15:57:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher
[2022-10-03 15:57:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-03 15:57:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-03 15:57:12,648 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-03 15:57:12,840 INFO L234 CfgBuilder]: Building ICFG
[2022-10-03 15:57:12,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-03 15:57:13,762 INFO L275 CfgBuilder]: Performing block encoding
[2022-10-03 15:57:13,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-03 15:57:13,778 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2022-10-03 15:57:13,781 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:57:13 BoogieIcfgContainer
[2022-10-03 15:57:13,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-03 15:57:13,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-03 15:57:13,782 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-03 15:57:13,785 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-03 15:57:13,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:57:12" (1/2) ...
[2022-10-03 15:57:13,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f083e6d and model type divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:57:13, skipping insertion in model container
[2022-10-03 15:57:13,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:57:13" (2/2) ...
[2022-10-03 15:57:13,789 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line772.bpl
[2022-10-03 15:57:13,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-03 15:57:13,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-03 15:57:13,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-03 15:57:13,800 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-03 15:57:13,881 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-10-03 15:57:13,931 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 15:57:13,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 15:57:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 15:57:13,933 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)
[2022-10-03 15:57:13,934 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
[2022-10-03 15:57:13,969 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 15:57:13,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-03 15:57:13,980 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;@1620ba76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 15:57:13,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-03 15:57:14,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-03 15:57:14,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-03 15:57:14,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1657880067, now seen corresponding path program 1 times
[2022-10-03 15:57:14,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-03 15:57:14,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819882922]
[2022-10-03 15:57:14,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-03 15:57:14,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-03 15:57:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-03 15:57:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-03 15:57:14,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-03 15:57:14,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819882922]
[2022-10-03 15:57:14,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819882922] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-03 15:57:14,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-03 15:57:14,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-10-03 15:57:14,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349923762]
[2022-10-03 15:57:14,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-03 15:57:14,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-10-03 15:57:14,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-03 15:57:14,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-10-03 15:57:14,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-10-03 15:57:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-03 15:57:14,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-03 15:57:14,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.0) internal successors, (161), 8 states have internal predecessors, (161), 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)
[2022-10-03 15:57:14,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-10-03 15:57:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-10-03 15:57:14,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-03 15:57:14,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-03 15:57:14,622 INFO L444 BasicCegarLoop]: Path program histogram: [1]
[2022-10-03 15:57:14,625 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/2)
[2022-10-03 15:57:14,634 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 15:57:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 15:57:14,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 15:57:14,636 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)
[2022-10-03 15:57:14,637 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
[2022-10-03 15:57:14,640 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 15:57:14,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-03 15:57:14,641 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;@1620ba76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 15:57:14,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-03 15:57:14,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-03 15:57:14,674 INFO L444 BasicCegarLoop]: Path program histogram: []
[2022-10-03 15:57:14,674 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/2)
[2022-10-03 15:57:14,675 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-10-03 15:57:14,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-10-03 15:57:14,678 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line772.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:57:14 BasicIcfg
[2022-10-03 15:57:14,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-03 15:57:14,678 INFO L158 Benchmark]: Toolchain (without parser) took 2272.53ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 118.5MB in the beginning and 129.2MB in the end (delta: -10.6MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB.
[2022-10-03 15:57:14,679 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-10-03 15:57:14,679 INFO L158 Benchmark]: Boogie Preprocessor took 102.59ms. Allocated memory is still 164.6MB. Free memory was 118.5MB in the beginning and 111.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
[2022-10-03 15:57:14,679 INFO L158 Benchmark]: RCFGBuilder took 1270.54ms. Allocated memory is still 164.6MB. Free memory was 111.8MB in the beginning and 119.5MB in the end (delta: -7.7MB). Peak memory consumption was 82.3MB. Max. memory is 8.0GB.
[2022-10-03 15:57:14,680 INFO L158 Benchmark]: TraceAbstraction took 895.81ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 118.4MB in the beginning and 129.2MB in the end (delta: -10.7MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB.
[2022-10-03 15:57:14,681 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 0.12ms. Allocated memory is still 164.6MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Preprocessor took 102.59ms. Allocated memory is still 164.6MB. Free memory was 118.5MB in the beginning and 111.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
* RCFGBuilder took 1270.54ms. Allocated memory is still 164.6MB. Free memory was 111.8MB in the beginning and 119.5MB in the end (delta: -7.7MB). Peak memory consumption was 82.3MB. Max. memory is 8.0GB.
* TraceAbstraction took 895.81ms. Allocated memory was 164.6MB in the beginning and 201.3MB in the end (delta: 36.7MB). Free memory was 118.4MB in the beginning and 129.2MB in the end (delta: -10.7MB). Peak memory consumption was 24.9MB. 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, 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: 2, Statistics for Abstraction:
- PositiveResult [Line: 772]: 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, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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: 7, 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, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 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, 1438 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!
[2022-10-03 15:57:14,719 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
[2022-10-03 15:57:14,921 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
[2022-10-03 15:57:15,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...