/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 04:52:53,334 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 04:52:53,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 04:52:53,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 04:52:53,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 04:52:53,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 04:52:53,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 04:52:53,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-02-19 04:52:53,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-02-19 04:52:53,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 04:52:53,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 04:52:53,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 04:52:53,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 04:52:53,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 04:52:53,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 04:52:53,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 04:52:53,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 04:52:53,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 04:52:53,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 04:52:53,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 04:52:53,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-19 04:52:53,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 04:52:53,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-02-19 04:52:53,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-19 04:52:53,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2022-02-19 04:52:53,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 04:52:53,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 04:52:53,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf
[2022-02-19 04:52:53,478 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 04:52:53,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 04:52:53,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 04:52:53,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 04:52:53,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 04:52:53,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 04:52:53,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 04:52:53,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 04:52:53,480 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 04:52:53,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 04:52:53,481 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 04:52:53,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 04:52:53,481 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 04:52:53,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 04:52:53,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 04:52:53,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 04:52:53,482 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 04:52:53,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 04:52:53,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 04:52:53,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 04:52:53,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 04:52:53,485 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-02-19 04:52:53,485 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-02-19 04:52:53,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 04:52:53,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 04:52:53,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 04:52:53,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 04:52:53,682 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-19 04:52:53,684 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-19 04:52:53,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl
[2022-02-19 04:52:53,685 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl'
[2022-02-19 04:52:53,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 04:52:53,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-19 04:52:53,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 04:52:53,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 04:52:53,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 04:52:53,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,724 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-19 04:52:53,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 04:52:53,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 04:52:53,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 04:52:53,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 04:52:53,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 04:52:53,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 04:52:53,738 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 04:52:53,738 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 04:52:53,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/1) ...
[2022-02-19 04:52:53,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 04:52:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 04:52:53,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-19 04:52:53,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-19 04:52:53,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-19 04:52:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-19 04:52:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-19 04:52:53,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-19 04:52:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-19 04:52:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-19 04:52:53,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-19 04:52:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 04:52:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 04:52:53,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-19 04:52:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-19 04:52:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-19 04:52:53,804 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 04:52:53,850 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 04:52:53,853 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 04:52:53,962 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 04:52:53,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 04:52:53,971 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 04:52:53,972 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:52:53 BoogieIcfgContainer
[2022-02-19 04:52:53,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 04:52:53,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 04:52:53,973 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 04:52:53,976 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 04:52:53,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:53" (1/2) ...
[2022-02-19 04:52:53,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bda2802 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:52:53, skipping insertion in model container
[2022-02-19 04:52:53,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:52:53" (2/2) ...
[2022-02-19 04:52:53,978 INFO L111 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl
[2022-02-19 04:52:53,982 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 04:52:53,982 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 04:52:53,982 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 04:52:53,982 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 04:52:54,020 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-19 04:52:54,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 04:52:54,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 04:52:54,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 04:52:54,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-19 04:52:54,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-02-19 04:52:54,183 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-19 04:52:54,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-19 04:52:54,322 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 04:52:54,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 04:52:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2050833480, now seen corresponding path program 1 times
[2022-02-19 04:52:54,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 04:52:54,339 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410474512]
[2022-02-19 04:52:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 04:52:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 04:52:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 04:52:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 04:52:54,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 04:52:54,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410474512]
[2022-02-19 04:52:54,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410474512] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 04:52:54,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952157543]
[2022-02-19 04:52:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 04:52:54,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 04:52:54,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 04:52:54,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-19 04:52:54,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-19 04:52:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 04:52:54,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-02-19 04:52:54,563 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 04:52:54,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-02-19 04:52:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 04:52:54,742 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 04:52:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 04:52:54,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952157543] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 04:52:54,914 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 04:52:54,914 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5
[2022-02-19 04:52:54,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426104589]
[2022-02-19 04:52:54,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 04:52:54,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 04:52:54,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 04:52:54,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 04:52:54,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-02-19 04:52:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 04:52:54,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 04:52:54,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 04:52:54,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 04:52:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 04:52:55,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-19 04:52:55,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-19 04:52:55,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-19 04:52:55,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-19 04:52:55,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-19 04:52:55,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2022-02-19 04:52:55,305 INFO L732 BasicCegarLoop]: Path program histogram: [1]
[2022-02-19 04:52:55,307 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 04:52:55,307 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 04:52:55,309 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:52:55 BasicIcfg
[2022-02-19 04:52:55,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 04:52:55,310 INFO L158 Benchmark]: Toolchain (without parser) took 1603.18ms. Allocated memory was 185.6MB in the beginning and 244.3MB in the end (delta: 58.7MB). Free memory was 149.8MB in the beginning and 186.2MB in the end (delta: -36.4MB). Peak memory consumption was 23.2MB. Max. memory is 8.0GB.
[2022-02-19 04:52:55,310 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 04:52:55,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.81ms. Allocated memory is still 185.6MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-19 04:52:55,311 INFO L158 Benchmark]: Boogie Preprocessor took 11.64ms. Allocated memory is still 185.6MB. Free memory was 148.2MB in the beginning and 147.3MB in the end (delta: 934.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 04:52:55,311 INFO L158 Benchmark]: RCFGBuilder took 234.23ms. Allocated memory is still 185.6MB. Free memory was 147.2MB in the beginning and 138.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
[2022-02-19 04:52:55,311 INFO L158 Benchmark]: TraceAbstraction took 1336.03ms. Allocated memory was 185.6MB in the beginning and 244.3MB in the end (delta: 58.7MB). Free memory was 137.8MB in the beginning and 186.2MB in the end (delta: -48.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB.
[2022-02-19 04:52:55,313 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 0.11ms. Allocated memory is still 185.6MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 17.81ms. Allocated memory is still 185.6MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 11.64ms. Allocated memory is still 185.6MB. Free memory was 148.2MB in the beginning and 147.3MB in the end (delta: 934.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 234.23ms. Allocated memory is still 185.6MB. Free memory was 147.2MB in the beginning and 138.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 1336.03ms. Allocated memory was 185.6MB in the beginning and 244.3MB in the end (delta: 58.7MB). Free memory was 137.8MB in the beginning and 186.2MB in the end (delta: -48.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 716, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 49, negative conditional: 45, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 11, negative conditional: 7, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 11, negative conditional: 7, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 250, positive unconditional: 417, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 678, positive: 667, positive conditional: 155, positive unconditional: 512, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 155, positive unconditional: 512, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 328, positive: 324, positive conditional: 4, positive unconditional: 320, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 328, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 47, positive conditional: 11, positive unconditional: 36, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 678, positive: 343, positive conditional: 151, positive unconditional: 192, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 328, unknown conditional: 4, unknown unconditional: 324] , Statistics on independence cache: Total cache size (in pairs): 328, Positive cache size: 324, Positive conditional cache size: 4, Positive unconditional cache size: 320, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 95, Maximal queried relation: 0, Independence queries for same thread: 38
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 379, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 716, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 49, negative conditional: 45, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 11, negative conditional: 7, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 292, positive unconditional: 375, negative: 11, negative conditional: 7, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 250, positive unconditional: 417, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 678, positive: 667, positive conditional: 155, positive unconditional: 512, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 678, positive: 667, positive conditional: 155, positive unconditional: 512, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 328, positive: 324, positive conditional: 4, positive unconditional: 320, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 328, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 47, positive conditional: 11, positive unconditional: 36, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 678, positive: 343, positive conditional: 151, positive unconditional: 192, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 328, unknown conditional: 4, unknown unconditional: 324] , Statistics on independence cache: Total cache size (in pairs): 328, Positive cache size: 324, Positive conditional cache size: 4, Positive unconditional cache size: 320, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 95, Maximal queried relation: 0, Independence queries for same thread: 38
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 52]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 342 SizeOfPredicates, 5 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1/6 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 04:52:55,339 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
[2022-02-19 04:52:55,539 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...