/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/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1289.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 12:34:45,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 12:34:45,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 12:34:45,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 12:34:45,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 12:34:45,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 12:34:45,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 12:34:45,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 12:34:45,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 12:34:45,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 12:34:45,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 12:34:45,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 12:34:45,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 12:34:45,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 12:34:45,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 12:34:45,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 12:34:45,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 12:34:45,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 12:34:45,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 12:34:45,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 12:34:45,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 12:34:45,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 12:34:45,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 12:34:45,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 12:34:45,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 12:34:45,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 12:34:45,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 12:34:45,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 12:34:45,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 12:34:45,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 12:34:45,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 12:34:45,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 12:34:45,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 12:34:45,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 12:34:45,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 12:34:45,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 12:34:45,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 12:34:45,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 12:34:45,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 12:34:45,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 12:34:45,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 12:34:45,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 12:34:45,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 12:34:45,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 12:34:45,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 12:34:45,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 12:34:45,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 12:34:45,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 12:34:45,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 12:34:45,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 12:34:45,934 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 12:34:45,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 12:34:45,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 12:34:45,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 12:34:45,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 12:34:45,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 12:34:45,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:34:45,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 12:34:45,936 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 12:34:45,937 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 12:34:45,938 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 12:34:46,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 12:34:46,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 12:34:46,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 12:34:46,202 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 12:34:46,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 12:34:46,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1289.bpl [2022-10-24 12:34:46,205 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1289.bpl' [2022-10-24 12:34:46,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 12:34:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 12:34:46,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 12:34:46,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 12:34:46,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 12:34:46,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,330 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 12:34:46,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 12:34:46,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 12:34:46,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 12:34:46,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 12:34:46,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 12:34:46,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 12:34:46,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 12:34:46,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 12:34:46,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/1) ... [2022-10-24 12:34:46,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:34:46,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:34:46,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-24 12:34:46,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-24 12:34:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 12:34:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 12:34:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 12:34:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 12:34:46,483 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 12:34:46,610 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 12:34:46,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 12:34:47,575 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 12:34:47,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 12:34:47,599 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 12:34:47,602 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:34:47 BoogieIcfgContainer [2022-10-24 12:34:47,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 12:34:47,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 12:34:47,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 12:34:47,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 12:34:47,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:34:46" (1/2) ... [2022-10-24 12:34:47,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1665d233 and model type divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:34:47, skipping insertion in model container [2022-10-24 12:34:47,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1289.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:34:47" (2/2) ... [2022-10-24 12:34:47,609 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1289.bpl [2022-10-24 12:34:47,614 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 12:34:47,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 12:34:47,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 12:34:47,620 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 12:34:47,773 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 12:34:47,831 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 12:34:47,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 12:34:47,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:34:47,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 12:34:47,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-24 12:34:47,872 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:34:47,888 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 12:34:47,889 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 12:34:47,889 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 12:34:47,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 12:34:47,899 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;@7441d89c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:34:47,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 12:34:48,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:34:48,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:34:48,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1037066523, now seen corresponding path program 1 times [2022-10-24 12:34:48,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:34:48,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216206290] [2022-10-24 12:34:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:34:48,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:34:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:34:48,805 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:48,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216206290] [2022-10-24 12:34:48,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216206290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:34:48,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:34:48,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 12:34:48,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869179181] [2022-10-24 12:34:48,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:34:48,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 12:34:48,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:48,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 12:34:48,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 12:34:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:48,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:48,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 247.5) internal successors, (495), 2 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 12:34:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:49,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 12:34:49,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:34:49,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:34:49,057 INFO L85 PathProgramCache]: Analyzing trace with hash 242696458, now seen corresponding path program 1 times [2022-10-24 12:34:49,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:34:49,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805647263] [2022-10-24 12:34:49,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:34:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:34:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:34:49,449 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:49,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805647263] [2022-10-24 12:34:49,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805647263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:34:49,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:34:49,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-24 12:34:49,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381047932] [2022-10-24 12:34:49,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:34:49,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-24 12:34:49,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:49,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-24 12:34:49,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-10-24 12:34:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:49,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:49,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 33.05882352941177) internal successors, (562), 18 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 12:34:49,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:49,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:51,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-24 12:34:51,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 12:34:51,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:34:51,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:34:51,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1643434420, now seen corresponding path program 1 times [2022-10-24 12:34:51,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:34:51,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412318225] [2022-10-24 12:34:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:34:51,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:34:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:34:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-24 12:34:52,365 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:34:52,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412318225] [2022-10-24 12:34:52,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412318225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:34:52,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:34:52,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-24 12:34:52,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836324472] [2022-10-24 12:34:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:34:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-24 12:34:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:34:52,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-24 12:34:52,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-24 12:34:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:52,368 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:34:52,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 76.9090909090909) internal successors, (846), 12 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 12:34:52,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:34:52,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-24 12:34:52,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-24 12:35:03,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 12:35:03,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 12:35:03,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:35:03,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:35:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1793813812, now seen corresponding path program 1 times [2022-10-24 12:35:03,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:35:03,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127345733] [2022-10-24 12:35:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:35:03,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:35:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:35:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 87316 backedges. 39392 proven. 13548 refuted. 0 times theorem prover too weak. 34376 trivial. 0 not checked. [2022-10-24 12:35:25,592 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:35:25,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127345733] [2022-10-24 12:35:25,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127345733] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:35:25,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:35:25,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-10-24 12:35:25,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694684843] [2022-10-24 12:35:25,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:35:25,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-10-24 12:35:25,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:35:25,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-10-24 12:35:25,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=4099, Unknown=0, NotChecked=0, Total=4290 [2022-10-24 12:35:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:25,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:35:25,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 35.13636363636363) internal successors, (2319), 66 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 12:35:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:35:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-24 12:35:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 12:35:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.