/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 00:52:21,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-06 00:52:21,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-06 00:52:21,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-06 00:52:21,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-06 00:52:21,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-06 00:52:21,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-06 00:52:21,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-06 00:52:21,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-06 00:52:21,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-06 00:52:21,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-06 00:52:21,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-06 00:52:21,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 00:52:21,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 00:52:21,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 00:52:21,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 00:52:21,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 00:52:21,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 00:52:21,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 00:52:21,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 00:52:21,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 00:52:21,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 00:52:21,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 00:52:21,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 00:52:21,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-06 00:52:21,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-06 00:52:21,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-06 00:52:21,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-06 00:52:21,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-06 00:52:21,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-06 00:52:21,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-06 00:52:21,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-06 00:52:21,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-06 00:52:21,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-06 00:52:21,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-06 00:52:21,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-06 00:52:21,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-06 00:52:21,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-06 00:52:21,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 00:52:21,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 00:52:21,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 00:52:21,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-06 00:52:22,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 00:52:22,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 00:52:22,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 00:52:22,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 00:52:22,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 00:52:22,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 00:52:22,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 00:52:22,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 00:52:22,032 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 00:52:22,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 00:52:22,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 00:52:22,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 00:52:22,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 00:52:22,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 00:52:22,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 00:52:22,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 00:52:22,036 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 00:52:22,036 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 00:52:22,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 00:52:22,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-10-06 00:52:22,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 00:52:22,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 00:52:22,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 00:52:22,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 00:52:22,331 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 00:52:22,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl [2022-10-06 00:52:22,332 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-3threads.bpl' [2022-10-06 00:52:22,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 00:52:22,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 00:52:22,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 00:52:22,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 00:52:22,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 00:52:22,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,385 INFO L138 Inliner]: procedures = 3, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-10-06 00:52:22,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 00:52:22,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 00:52:22,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 00:52:22,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 00:52:22,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 00:52:22,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 00:52:22,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 00:52:22,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 00:52:22,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/1) ... [2022-10-06 00:52:22,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 00:52:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:52:22,423 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) [2022-10-06 00:52:22,434 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 [2022-10-06 00:52:22,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 00:52:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 00:52:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 00:52:22,448 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2022-10-06 00:52:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-06 00:52:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-06 00:52:22,449 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 00:52:22,482 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 00:52:22,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 00:52:22,593 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 00:52:22,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 00:52:22,603 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 00:52:22,610 INFO L202 PluginConnector]: Adding new model array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:52:22 BoogieIcfgContainer [2022-10-06 00:52:22,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 00:52:22,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 00:52:22,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 00:52:22,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 00:52:22,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:22" (1/2) ... [2022-10-06 00:52:22,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4336dfc4 and model type array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:52:22, skipping insertion in model container [2022-10-06 00:52:22,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:52:22" (2/2) ... [2022-10-06 00:52:22,617 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum-with-log-3threads.bpl [2022-10-06 00:52:22,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 00:52:22,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 00:52:22,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 00:52:22,631 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 00:52:22,739 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-06 00:52:22,768 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 00:52:22,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 00:52:22,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:52:22,770 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) [2022-10-06 00:52:22,771 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 [2022-10-06 00:52:22,798 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-06 00:52:22,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 00:52:22,809 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;@33e2b549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 00:52:22,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 00:52:23,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:23,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:23,308 INFO L85 PathProgramCache]: Analyzing trace with hash -115582301, now seen corresponding path program 1 times [2022-10-06 00:52:23,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:23,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601266812] [2022-10-06 00:52:23,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-06 00:52:23,471 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:23,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601266812] [2022-10-06 00:52:23,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601266812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 00:52:23,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 00:52:23,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-06 00:52:23,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219211180] [2022-10-06 00:52:23,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 00:52:23,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-06 00:52:23,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:23,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-06 00:52:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-06 00:52:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:23,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:23,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-10-06 00:52:23,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:23,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 00:52:23,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:23,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:23,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1588398150, now seen corresponding path program 1 times [2022-10-06 00:52:23,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:23,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742831449] [2022-10-06 00:52:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-06 00:52:23,799 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:23,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742831449] [2022-10-06 00:52:23,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742831449] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:23,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:23,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 00:52:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713828603] [2022-10-06 00:52:23,800 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:23,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 00:52:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:23,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 00:52:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 00:52:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:23,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:23,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-10-06 00:52:23,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:23,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:24,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 00:52:24,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 484786043, now seen corresponding path program 2 times [2022-10-06 00:52:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:24,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691683157] [2022-10-06 00:52:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-06 00:52:24,219 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:24,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691683157] [2022-10-06 00:52:24,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691683157] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:24,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:24,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 00:52:24,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060393387] [2022-10-06 00:52:24,220 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:24,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 00:52:24,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:24,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 00:52:24,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 00:52:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:24,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:24,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-10-06 00:52:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:24,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 00:52:24,484 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:24,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:24,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2108434791, now seen corresponding path program 3 times [2022-10-06 00:52:24,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:24,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160128587] [2022-10-06 00:52:24,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:24,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-06 00:52:24,579 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:24,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160128587] [2022-10-06 00:52:24,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160128587] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:24,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:24,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 00:52:24,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226673022] [2022-10-06 00:52:24,583 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:24,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 00:52:24,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:24,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 00:52:24,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 00:52:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:24,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:24,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2022-10-06 00:52:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 00:52:25,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:25,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash 416779090, now seen corresponding path program 4 times [2022-10-06 00:52:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:25,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121939136] [2022-10-06 00:52:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-06 00:52:25,059 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:25,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121939136] [2022-10-06 00:52:25,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121939136] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:25,059 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:25,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 00:52:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574595336] [2022-10-06 00:52:25,059 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:25,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 00:52:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 00:52:25,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 00:52:25,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:25,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:25,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-10-06 00:52:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:25,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 00:52:25,493 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:25,494 INFO L85 PathProgramCache]: Analyzing trace with hash 647938369, now seen corresponding path program 5 times [2022-10-06 00:52:25,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:25,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918360265] [2022-10-06 00:52:25,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 00:52:26,011 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:26,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918360265] [2022-10-06 00:52:26,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918360265] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:26,011 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:26,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-10-06 00:52:26,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116317454] [2022-10-06 00:52:26,011 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:26,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-06 00:52:26,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:26,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-06 00:52:26,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2022-10-06 00:52:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:26,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:26,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 18 states have internal predecessors, (52), 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) [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:26,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 00:52:26,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 00:52:26,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:26,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:26,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1943048476, now seen corresponding path program 6 times [2022-10-06 00:52:26,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:26,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283543174] [2022-10-06 00:52:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:26,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 00:52:27,350 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:27,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283543174] [2022-10-06 00:52:27,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283543174] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:27,350 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:27,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2022-10-06 00:52:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793078346] [2022-10-06 00:52:27,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:27,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-06 00:52:27,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:27,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-06 00:52:27,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2022-10-06 00:52:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:27,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:27,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 28 states have internal predecessors, (85), 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) [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 00:52:27,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 00:52:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-06 00:52:31,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 00:52:31,754 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 00:52:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 00:52:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2070036897, now seen corresponding path program 7 times [2022-10-06 00:52:31,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 00:52:31,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581142387] [2022-10-06 00:52:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 00:52:31,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 00:52:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 00:52:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 00:52:33,193 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 00:52:33,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581142387] [2022-10-06 00:52:33,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581142387] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 00:52:33,193 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 00:52:33,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2022-10-06 00:52:33,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308732080] [2022-10-06 00:52:33,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 00:52:33,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-06 00:52:33,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 00:52:33,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-06 00:52:33,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1013, Unknown=0, NotChecked=0, Total=1190 [2022-10-06 00:52:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:33,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 00:52:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 3.4705882352941178) internal successors, (118), 35 states have internal predecessors, (118), 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) [2022-10-06 00:52:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 00:52:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 00:52:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 00:52:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-06 00:52:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 00:52:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 00:52:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 00:52:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-10-06 00:52:46,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 00:52:46,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-06 00:52:46,285 INFO L444 BasicCegarLoop]: Path program histogram: [7, 1] [2022-10-06 00:52:46,287 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-06 00:52:46,289 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 00:52:46,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 00:52:46,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:52:46,291 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) [2022-10-06 00:52:46,297 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 [2022-10-06 00:52:46,299 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-06 00:52:46,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 00:52:46,300 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;@33e2b549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 00:52:46,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 00:52:46,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 00:52:46,322 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 00:52:46,323 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-06 00:52:46,326 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 00:52:46,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 00:52:46,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:52:46,327 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) [2022-10-06 00:52:46,328 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 [2022-10-06 00:52:46,332 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-06 00:52:46,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 00:52:46,333 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;@33e2b549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 00:52:46,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 00:52:46,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 00:52:46,371 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 00:52:46,373 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-06 00:52:46,376 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 00:52:46,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 00:52:46,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 00:52:46,399 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) [2022-10-06 00:52:46,400 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 [2022-10-06 00:52:46,407 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-06 00:52:46,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 00:52:46,407 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;@33e2b549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 00:52:46,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 00:52:46,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 00:52:46,408 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 00:52:46,408 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2022-10-06 00:52:46,409 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 00:52:46,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 00:52:46,413 INFO L202 PluginConnector]: Adding new model array-sum-with-log-3threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:52:46 BasicIcfg [2022-10-06 00:52:46,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 00:52:46,413 INFO L158 Benchmark]: Toolchain (without parser) took 24054.00ms. Allocated memory was 202.4MB in the beginning and 690.0MB in the end (delta: 487.6MB). Free memory was 181.7MB in the beginning and 477.9MB in the end (delta: -296.2MB). Peak memory consumption was 192.9MB. Max. memory is 8.0GB. [2022-10-06 00:52:46,413 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 202.4MB. Free memory was 182.8MB in the beginning and 182.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 00:52:46,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.81ms. Allocated memory is still 202.4MB. Free memory was 181.6MB in the beginning and 179.7MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 00:52:46,414 INFO L158 Benchmark]: Boogie Preprocessor took 12.09ms. Allocated memory is still 202.4MB. Free memory was 179.7MB in the beginning and 178.9MB in the end (delta: 855.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 00:52:46,414 INFO L158 Benchmark]: RCFGBuilder took 211.10ms. Allocated memory is still 202.4MB. Free memory was 178.8MB in the beginning and 169.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-06 00:52:46,414 INFO L158 Benchmark]: TraceAbstraction took 23799.88ms. Allocated memory was 202.4MB in the beginning and 690.0MB in the end (delta: 487.6MB). Free memory was 168.8MB in the beginning and 477.9MB in the end (delta: -309.1MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. [2022-10-06 00:52:46,416 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 0.14ms. Allocated memory is still 202.4MB. Free memory was 182.8MB in the beginning and 182.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.81ms. Allocated memory is still 202.4MB. Free memory was 181.6MB in the beginning and 179.7MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.09ms. Allocated memory is still 202.4MB. Free memory was 179.7MB in the beginning and 178.9MB in the end (delta: 855.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 211.10ms. Allocated memory is still 202.4MB. Free memory was 178.8MB in the beginning and 169.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 23799.88ms. Allocated memory was 202.4MB in the beginning and 690.0MB in the end (delta: 487.6MB). Free memory was 168.8MB in the beginning and 477.9MB in the end (delta: -309.1MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 9778, positive: 9122, positive conditional: 9122, positive unconditional: 0, negative: 656, negative conditional: 656, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 536, Positive conditional cache size: 0, Positive unconditional cache size: 536, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 656, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2723, positive: 2446, positive conditional: 2446, positive unconditional: 0, negative: 277, negative conditional: 277, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 780, Positive cache size: 780, Positive conditional cache size: 0, Positive unconditional cache size: 780, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 933, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 18403, positive: 17182, positive conditional: 17182, positive unconditional: 0, negative: 1221, negative conditional: 1221, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 993, Positive cache size: 993, Positive conditional cache size: 0, Positive unconditional cache size: 993, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2154, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 20268, positive: 18982, positive conditional: 18982, positive unconditional: 0, negative: 1286, negative conditional: 1286, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 993, Positive cache size: 993, Positive conditional cache size: 0, Positive unconditional cache size: 993, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3440, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 43920, positive: 41488, positive conditional: 41488, positive unconditional: 0, negative: 2432, negative conditional: 2432, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 997, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5872, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 53638, positive: 50814, positive conditional: 50814, positive unconditional: 0, negative: 2824, negative conditional: 2824, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 997, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 8696, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2240, positive: 2010, positive conditional: 2010, positive unconditional: 0, negative: 230, negative conditional: 230, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 1156, Positive cache size: 1156, Positive conditional cache size: 0, Positive unconditional cache size: 1156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 8926, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2631, positive: 2330, positive conditional: 2330, positive unconditional: 0, negative: 301, negative conditional: 301, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 1156, Positive cache size: 1156, Positive conditional cache size: 0, Positive unconditional cache size: 1156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 9227, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 134889, positive: 127589, positive conditional: 127589, positive unconditional: 0, negative: 7300, negative conditional: 7300, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288490, positive: 271963, positive conditional: 271963, positive unconditional: 0, negative: 16527, negative conditional: 16527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271963, positive: 271963, positive conditional: 0, positive unconditional: 271963, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1604, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 271963, positive: 270359, positive conditional: 0, positive unconditional: 270359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1604, unknown conditional: 0, unknown unconditional: 1604] , Statistics on independence cache: Total cache size (in pairs): 1604, Positive cache size: 1604, Positive conditional cache size: 0, Positive unconditional cache size: 1604, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 16527, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 16, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1023, positive: 957, positive conditional: 957, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1023, positive: 957, positive conditional: 957, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 957, positive: 957, positive conditional: 0, positive unconditional: 957, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 266, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 957, positive: 691, positive conditional: 0, positive unconditional: 691, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 266, unknown conditional: 0, unknown unconditional: 266] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 66, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - PositiveResult [Line: 61]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 23.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 19.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 296, 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, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 606 ConstructedInterpolants, 0 QuantifiedInterpolants, 8493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 132/306 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 73 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-06 00:52:46,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-06 00:52:46,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-10-06 00:52:46,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-06 00:52:47,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-06 00:52:47,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...