/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/chunk17/mix055_tso.oepc.line731.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-21 20:40:16,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-21 20:40:16,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-21 20:40:16,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-21 20:40:16,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-21 20:40:16,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-21 20:40:16,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-21 20:40:16,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-21 20:40:16,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-21 20:40:16,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-21 20:40:16,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-21 20:40:16,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-21 20:40:16,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-21 20:40:16,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-21 20:40:16,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-21 20:40:16,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-21 20:40:16,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-21 20:40:16,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-21 20:40:16,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-21 20:40:16,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-21 20:40:16,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-21 20:40:16,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-21 20:40:16,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-21 20:40:16,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-21 20:40:16,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-21 20:40:16,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-21 20:40:16,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-21 20:40:16,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-21 20:40:16,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-21 20:40:16,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-21 20:40:16,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-21 20:40:16,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-21 20:40:16,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-21 20:40:16,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-21 20:40:16,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-21 20:40:16,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-21 20:40:16,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-21 20:40:16,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-21 20:40:16,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-21 20:40:16,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-21 20:40:16,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-21 20:40:16,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-21 20:40:16,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-21 20:40:16,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-21 20:40:16,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-21 20:40:16,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-21 20:40:16,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-21 20:40:16,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-21 20:40:16,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-21 20:40:16,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-21 20:40:16,386 INFO L138 SettingsManager]: * Use SBE=true [2022-10-21 20:40:16,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-21 20:40:16,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-21 20:40:16,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-21 20:40:16,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-21 20:40:16,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-21 20:40:16,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-21 20:40:16,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-21 20:40:16,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 20:40:16,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-21 20:40:16,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-21 20:40:16,389 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-21 20:40:16,390 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-21 20:40:16,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-21 20:40:16,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-21 20:40:16,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-21 20:40:16,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-21 20:40:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-21 20:40:16,649 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-21 20:40:16,650 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-21 20:40:16,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk17/mix055_tso.oepc.line731.bpl [2022-10-21 20:40:16,652 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk17/mix055_tso.oepc.line731.bpl' [2022-10-21 20:40:16,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-21 20:40:16,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-21 20:40:16,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-21 20:40:16,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-21 20:40:16,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-21 20:40:16,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,765 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-21 20:40:16,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-21 20:40:16,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-21 20:40:16,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-21 20:40:16,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-21 20:40:16,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-21 20:40:16,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-21 20:40:16,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-21 20:40:16,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-21 20:40:16,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/1) ... [2022-10-21 20:40:16,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 20:40:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:16,844 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) [2022-10-21 20:40:16,846 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 [2022-10-21 20:40:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-21 20:40:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-21 20:40:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-21 20:40:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-21 20:40:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-21 20:40:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-21 20:40:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-10-21 20:40:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-10-21 20:40:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-21 20:40:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-21 20:40:16,888 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-21 20:40:16,990 INFO L234 CfgBuilder]: Building ICFG [2022-10-21 20:40:16,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-21 20:40:17,503 INFO L275 CfgBuilder]: Performing block encoding [2022-10-21 20:40:17,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-21 20:40:17,516 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-21 20:40:17,518 INFO L202 PluginConnector]: Adding new model mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:40:17 BoogieIcfgContainer [2022-10-21 20:40:17,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-21 20:40:17,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-21 20:40:17,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-21 20:40:17,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-21 20:40:17,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 08:40:16" (1/2) ... [2022-10-21 20:40:17,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1574904b and model type mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:40:17, skipping insertion in model container [2022-10-21 20:40:17,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mix055_tso.oepc.line731.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:40:17" (2/2) ... [2022-10-21 20:40:17,524 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.line731.bpl [2022-10-21 20:40:17,530 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-21 20:40:17,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-21 20:40:17,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-21 20:40:17,537 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-21 20:40:17,608 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-21 20:40:17,648 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 20:40:17,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 20:40:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:17,650 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) [2022-10-21 20:40:17,652 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 [2022-10-21 20:40:17,676 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 20:40:17,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-21 20:40:17,691 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;@755cd1f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 20:40:17,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 20:40:17,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 20:40:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 20:40:17,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1668272921, now seen corresponding path program 1 times [2022-10-21 20:40:17,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 20:40:17,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318132297] [2022-10-21 20:40:17,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 20:40:17,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 20:40:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 20:40:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-21 20:40:18,030 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 20:40:18,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318132297] [2022-10-21 20:40:18,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318132297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 20:40:18,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 20:40:18,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-21 20:40:18,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137622962] [2022-10-21 20:40:18,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 20:40:18,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-21 20:40:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 20:40:18,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-21 20:40:18,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-21 20:40:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 20:40:18,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 20:40:18,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2022-10-21 20:40:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 20:40:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 20:40:18,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 20:40:18,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-21 20:40:18,394 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-21 20:40:18,396 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-21 20:40:18,412 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 20:40:18,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 20:40:18,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:18,414 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) [2022-10-21 20:40:18,421 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 20:40:18,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 20:40:18,422 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;@755cd1f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 20:40:18,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 20:40:18,437 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 [2022-10-21 20:40:22,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 20:40:22,106 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 20:40:22,106 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-21 20:40:22,111 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 20:40:22,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 20:40:22,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:22,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 20:40:22,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-21 20:40:22,117 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 20:40:22,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 20:40:22,118 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;@755cd1f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 20:40:22,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 20:40:22,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 20:40:22,195 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 20:40:22,195 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-21 20:40:22,198 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 20:40:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 20:40:22,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:22,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 20:40:22,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-21 20:40:22,217 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 20:40:22,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 20:40:22,218 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;@755cd1f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 20:40:22,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 20:40:22,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 20:40:22,220 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 20:40:22,220 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-21 20:40:22,224 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 20:40:22,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 20:40:22,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 20:40:22,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 20:40:22,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-21 20:40:22,229 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 20:40:22,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 20:40:22,230 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;@755cd1f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 20:40:22,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.