/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe006_power.opt-thin000_power.opt.line464.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-20 21:32:39,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-20 21:32:39,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-20 21:32:39,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-20 21:32:39,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-20 21:32:39,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-20 21:32:39,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-20 21:32:39,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-20 21:32:39,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-20 21:32:39,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-20 21:32:39,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-20 21:32:39,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-20 21:32:39,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-20 21:32:39,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-20 21:32:39,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-20 21:32:39,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-20 21:32:39,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-20 21:32:39,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-20 21:32:39,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-20 21:32:39,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-20 21:32:39,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-20 21:32:39,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-20 21:32:39,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-20 21:32:39,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-20 21:32:39,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-20 21:32:39,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-20 21:32:39,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-20 21:32:39,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-20 21:32:39,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-20 21:32:39,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-20 21:32:39,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-20 21:32:39,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-20 21:32:39,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-20 21:32:39,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-20 21:32:39,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-20 21:32:39,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-20 21:32:39,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-20 21:32:39,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-20 21:32:39,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-20 21:32:39,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-20 21:32:39,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-20 21:32:39,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-20 21:32:39,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-20 21:32:39,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-20 21:32:39,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-20 21:32:39,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-20 21:32:39,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-20 21:32:39,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-20 21:32:39,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-20 21:32:39,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-20 21:32:39,798 INFO L138 SettingsManager]: * Use SBE=true [2022-10-20 21:32:39,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-20 21:32:39,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-20 21:32:39,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-20 21:32:39,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 21:32:39,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-20 21:32:39,801 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-20 21:32:39,802 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-20 21:32:40,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-20 21:32:40,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-20 21:32:40,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-20 21:32:40,126 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-20 21:32:40,128 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-20 21:32:40,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe006_power.opt-thin000_power.opt.line464.bpl [2022-10-20 21:32:40,130 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe006_power.opt-thin000_power.opt.line464.bpl' [2022-10-20 21:32:40,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-20 21:32:40,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-20 21:32:40,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-20 21:32:40,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-20 21:32:40,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-20 21:32:40,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,240 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-20 21:32:40,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-20 21:32:40,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-20 21:32:40,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-20 21:32:40,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-20 21:32:40,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-20 21:32:40,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-20 21:32:40,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-20 21:32:40,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-20 21:32:40,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/1) ... [2022-10-20 21:32:40,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 21:32:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:32:40,336 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) [2022-10-20 21:32:40,342 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 [2022-10-20 21:32:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-20 21:32:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-20 21:32:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-20 21:32:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-20 21:32:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-20 21:32:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-20 21:32:40,377 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-20 21:32:40,530 INFO L234 CfgBuilder]: Building ICFG [2022-10-20 21:32:40,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-20 21:32:41,175 INFO L275 CfgBuilder]: Performing block encoding [2022-10-20 21:32:41,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-20 21:32:41,200 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-20 21:32:41,202 INFO L202 PluginConnector]: Adding new model safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 09:32:41 BoogieIcfgContainer [2022-10-20 21:32:41,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-20 21:32:41,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-20 21:32:41,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-20 21:32:41,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-20 21:32:41,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:32:40" (1/2) ... [2022-10-20 21:32:41,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b50c37 and model type safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 09:32:41, skipping insertion in model container [2022-10-20 21:32:41,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 09:32:41" (2/2) ... [2022-10-20 21:32:41,208 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.opt-thin000_power.opt.line464.bpl [2022-10-20 21:32:41,213 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-20 21:32:41,220 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-20 21:32:41,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-20 21:32:41,220 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-20 21:32:41,349 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-20 21:32:41,406 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:32:41,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:32:41,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:32:41,408 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) [2022-10-20 21:32:41,429 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 [2022-10-20 21:32:41,444 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:32:41,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 21:32:41,462 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;@15839595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:32:41,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:32:41,465 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-20 21:32:41,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-20 21:32:41,472 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:32:41,480 INFO L307 ceAbstractionStarter]: Result for error location P1Err0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-20 21:32:41,490 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:32:41,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:32:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:32:41,492 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) [2022-10-20 21:32:41,493 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 [2022-10-20 21:32:41,497 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:32:41,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 21:32:41,498 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;@15839595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:32:41,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:32:41,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 21:32:41,853 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:32:41,856 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-20 21:32:41,863 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:32:41,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:32:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:32:41,865 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) [2022-10-20 21:32:41,866 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 [2022-10-20 21:32:41,869 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:32:41,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 21:32:41,870 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;@15839595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:32:41,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:32:41,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 21:32:41,874 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:32:41,874 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-20 21:32:41,878 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:32:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:32:41,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:32:41,882 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) [2022-10-20 21:32:41,886 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 [2022-10-20 21:32:41,889 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:32:41,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 21:32:41,899 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15839595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:32:41,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:32:41,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:41,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 294575066, now seen corresponding path program 1 times [2022-10-20 21:32:42,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:42,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829770065] [2022-10-20 21:32:42,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:42,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:42,282 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:42,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829770065] [2022-10-20 21:32:42,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829770065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:42,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:42,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-20 21:32:42,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263363285] [2022-10-20 21:32:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:42,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-20 21:32:42,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:42,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-20 21:32:42,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-20 21:32:42,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:42,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.5) internal successors, (213), 2 states have internal predecessors, (213), 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) [2022-10-20 21:32:42,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-20 21:32:42,364 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:42,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:42,364 INFO L85 PathProgramCache]: Analyzing trace with hash 456082185, now seen corresponding path program 1 times [2022-10-20 21:32:42,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:42,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592118580] [2022-10-20 21:32:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:42,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:42,590 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:42,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592118580] [2022-10-20 21:32:42,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592118580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:42,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:42,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-20 21:32:42,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745779624] [2022-10-20 21:32:42,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:42,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-20 21:32:42,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:42,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-20 21:32:42,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-20 21:32:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:42,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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) [2022-10-20 21:32:42,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:42,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-20 21:32:42,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:42,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1832284695, now seen corresponding path program 1 times [2022-10-20 21:32:42,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:42,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520057090] [2022-10-20 21:32:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:42,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:42,819 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:42,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520057090] [2022-10-20 21:32:42,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520057090] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:42,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:42,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:32:42,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727817344] [2022-10-20 21:32:42,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:42,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:32:42,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:42,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:32:42,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:32:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:42,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2022-10-20 21:32:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:42,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-20 21:32:42,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:42,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:42,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1445123803, now seen corresponding path program 1 times [2022-10-20 21:32:42,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:42,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888462551] [2022-10-20 21:32:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:43,099 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:43,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888462551] [2022-10-20 21:32:43,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888462551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:43,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:43,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-20 21:32:43,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929673511] [2022-10-20 21:32:43,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:43,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-20 21:32:43,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-20 21:32:43,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-20 21:32:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:43,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 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) [2022-10-20 21:32:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-20 21:32:43,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1013466725, now seen corresponding path program 1 times [2022-10-20 21:32:43,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:43,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611165122] [2022-10-20 21:32:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:43,268 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:43,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611165122] [2022-10-20 21:32:43,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611165122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:43,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:43,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:32:43,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437448466] [2022-10-20 21:32:43,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:43,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:32:43,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:32:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:32:43,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:43,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 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) [2022-10-20 21:32:43,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-20 21:32:43,366 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash -96294051, now seen corresponding path program 1 times [2022-10-20 21:32:43,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:43,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118383127] [2022-10-20 21:32:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:43,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:43,431 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:43,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118383127] [2022-10-20 21:32:43,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118383127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:43,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:43,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-20 21:32:43,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620928276] [2022-10-20 21:32:43,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:43,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-20 21:32:43,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:43,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-20 21:32:43,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-20 21:32:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:43,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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) [2022-10-20 21:32:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-20 21:32:43,459 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:43,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1593653367, now seen corresponding path program 1 times [2022-10-20 21:32:43,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:43,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546887268] [2022-10-20 21:32:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:43,666 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:43,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546887268] [2022-10-20 21:32:43,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546887268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:43,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:43,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:32:43,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533177053] [2022-10-20 21:32:43,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:43,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:32:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:43,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:32:43,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:32:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:43,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2022-10-20 21:32:43,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:32:43,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-20 21:32:43,726 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:43,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:43,727 INFO L85 PathProgramCache]: Analyzing trace with hash -542913157, now seen corresponding path program 1 times [2022-10-20 21:32:43,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:43,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229794219] [2022-10-20 21:32:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:43,829 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:43,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229794219] [2022-10-20 21:32:43,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229794219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:43,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:43,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:32:43,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583095399] [2022-10-20 21:32:43,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:43,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:32:43,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:43,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:32:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:32:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:43,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 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) [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:32:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:32:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:43,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-20 21:32:43,884 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P1Err0ASSERT_VIOLATIONASSERT === [P1Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:32:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:32:43,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1735508315, now seen corresponding path program 1 times [2022-10-20 21:32:43,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:32:43,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188072741] [2022-10-20 21:32:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:32:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:32:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:32:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-20 21:32:44,091 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:32:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188072741] [2022-10-20 21:32:44,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188072741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:32:44,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:32:44,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-20 21:32:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026936508] [2022-10-20 21:32:44,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:32:44,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-20 21:32:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:32:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-20 21:32:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-20 21:32:44,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:44,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:32:44,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 26.375) internal successors, (211), 9 states have internal predecessors, (211), 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) [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:32:44,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:33:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:33:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-20 21:33:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-20 21:33:33,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-20 21:33:33,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-20 21:33:33,349 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-20 21:33:33,349 INFO L307 ceAbstractionStarter]: Result for error location P1Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-20 21:33:33,351 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-20 21:33:33,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-20 21:33:33,354 INFO L202 PluginConnector]: Adding new model safe006_power.opt-thin000_power.opt.line464.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 09:33:33 BasicIcfg [2022-10-20 21:33:33,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-20 21:33:33,355 INFO L158 Benchmark]: Toolchain (without parser) took 53166.46ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 154.4MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-10-20 21:33:33,355 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.54ms. Allocated memory is still 178.3MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-20 21:33:33,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.82ms. Allocated memory is still 178.3MB. Free memory was 154.3MB in the beginning and 152.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-20 21:33:33,356 INFO L158 Benchmark]: Boogie Preprocessor took 52.96ms. Allocated memory is still 178.3MB. Free memory was 152.5MB in the beginning and 149.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-20 21:33:33,356 INFO L158 Benchmark]: RCFGBuilder took 905.41ms. Allocated memory is still 178.3MB. Free memory was 149.8MB in the beginning and 134.9MB in the end (delta: 14.9MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. [2022-10-20 21:33:33,356 INFO L158 Benchmark]: TraceAbstraction took 52151.02ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 134.4MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-10-20 21:33:33,357 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 0.54ms. Allocated memory is still 178.3MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.82ms. Allocated memory is still 178.3MB. Free memory was 154.3MB in the beginning and 152.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.96ms. Allocated memory is still 178.3MB. Free memory was 152.5MB in the beginning and 149.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 905.41ms. Allocated memory is still 178.3MB. Free memory was 149.8MB in the beginning and 134.9MB in the end (delta: 14.9MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. * TraceAbstraction took 52151.02ms. Allocated memory was 178.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 134.4MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2580, positive: 2390, positive conditional: 2390, positive unconditional: 0, negative: 190, negative conditional: 190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2580, positive: 2390, positive conditional: 2390, positive unconditional: 0, negative: 190, negative conditional: 190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2398, positive: 2390, positive conditional: 0, positive unconditional: 2390, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2314, positive: 2307, positive conditional: 0, positive unconditional: 2307, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2398, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2314, unknown conditional: 0, unknown unconditional: 2314] , Statistics on independence cache: Total cache size (in pairs): 2314, Positive cache size: 2307, Positive conditional cache size: 0, Positive unconditional cache size: 2307, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 182, 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: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 102, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 119, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 228, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 267, Positive cache size: 265, Positive conditional cache size: 0, Positive unconditional cache size: 265, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 172, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 279, Positive conditional cache size: 0, Positive unconditional cache size: 279, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 20, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 100, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 283, Positive conditional cache size: 0, Positive unconditional cache size: 283, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 26, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 394, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 485, Positive cache size: 481, Positive conditional cache size: 0, Positive unconditional cache size: 481, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 39, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 422, positive: 405, positive conditional: 405, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 52, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 100, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 529, Positive cache size: 525, Positive conditional cache size: 0, Positive unconditional cache size: 525, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 100, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 532, Positive conditional cache size: 0, Positive unconditional cache size: 532, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 64, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4056953, positive: 3904949, positive conditional: 3904949, positive unconditional: 0, negative: 152004, negative conditional: 152004, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4058690, positive: 3906610, positive conditional: 3906610, positive unconditional: 0, negative: 152080, negative conditional: 152080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3920160, positive: 3906610, positive conditional: 0, positive unconditional: 3906610, negative: 13550, negative conditional: 0, negative unconditional: 13550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18382, positive: 18291, positive conditional: 0, positive unconditional: 18291, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3920160, positive: 3888319, positive conditional: 0, positive unconditional: 3888319, negative: 13459, negative conditional: 0, negative unconditional: 13459, unknown: 18382, unknown conditional: 0, unknown unconditional: 18382] , Statistics on independence cache: Total cache size (in pairs): 18382, Positive cache size: 18291, Positive conditional cache size: 0, Positive unconditional cache size: 18291, Negative cache size: 91, Negative conditional cache size: 0, Negative unconditional cache size: 91, Independence queries for same thread: 138530, Statistics for Abstraction: - PositiveResult [Line: 464]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: P1Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1040 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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 error location: P1Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1040 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 51.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 49.8s, 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: 57, 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, 1.1s InterpolantComputationTime, 1909 NumberOfCodeBlocks, 1909 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1900 ConstructedInterpolants, 0 QuantifiedInterpolants, 3934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1040 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, 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, 1040 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! [2022-10-20 21:33:33,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-20 21:33:33,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-20 21:33:33,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-20 21:33:34,010 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 [2022-10-20 21:33:34,213 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...