/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/safe007_power.opt-thin001_power.opt.line807.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-20 21:49:25,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-20 21:49:25,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-20 21:49:25,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-20 21:49:25,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-20 21:49:25,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-20 21:49:25,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-20 21:49:25,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-20 21:49:25,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-20 21:49:25,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-20 21:49:25,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-20 21:49:25,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-20 21:49:25,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-20 21:49:25,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-20 21:49:25,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-20 21:49:25,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-20 21:49:25,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-20 21:49:25,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-20 21:49:25,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-20 21:49:25,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-20 21:49:25,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-20 21:49:25,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-20 21:49:25,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-20 21:49:25,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-20 21:49:25,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-20 21:49:25,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-20 21:49:25,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-20 21:49:25,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-20 21:49:25,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-20 21:49:25,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-20 21:49:25,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-20 21:49:25,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-20 21:49:25,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-20 21:49:25,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-20 21:49:25,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-20 21:49:25,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-20 21:49:25,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-20 21:49:25,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-20 21:49:25,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-20 21:49:25,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-20 21:49:25,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-20 21:49:25,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-20 21:49:25,882 INFO L138 SettingsManager]: * Use SBE=true [2022-10-20 21:49:25,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-20 21:49:25,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-20 21:49:25,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-20 21:49:25,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-20 21:49:25,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-20 21:49:25,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-20 21:49:25,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-20 21:49:25,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 21:49:25,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-20 21:49:25,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-20 21:49:25,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-20 21:49:25,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-20 21:49:25,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-20 21:49:25,898 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-20 21:49:25,911 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-20 21:49:25,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-20 21:49:25,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-20 21:49:25,912 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-20 21:49:25,912 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-20 21:49:25,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-20 21:49:25,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-20 21:49:26,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-20 21:49:26,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-20 21:49:26,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-20 21:49:26,212 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-20 21:49:26,214 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-20 21:49:26,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe007_power.opt-thin001_power.opt.line807.bpl [2022-10-20 21:49:26,215 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe007_power.opt-thin001_power.opt.line807.bpl' [2022-10-20 21:49:26,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-20 21:49:26,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-20 21:49:26,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-20 21:49:26,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-20 21:49:26,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-20 21:49:26,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,294 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-20 21:49:26,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-20 21:49:26,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-20 21:49:26,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-20 21:49:26,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-20 21:49:26,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-20 21:49:26,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-20 21:49:26,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-20 21:49:26,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-20 21:49:26,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/1) ... [2022-10-20 21:49:26,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 21:49:26,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:26,356 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 21:49:26,359 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 21:49:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-20 21:49:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-20 21:49:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-20 21:49:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-20 21:49:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-20 21:49:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-20 21:49:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-20 21:49:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-20 21:49:26,390 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 21:49:26,501 INFO L234 CfgBuilder]: Building ICFG [2022-10-20 21:49:26,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-20 21:49:27,114 INFO L275 CfgBuilder]: Performing block encoding [2022-10-20 21:49:27,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-20 21:49:27,128 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-20 21:49:27,130 INFO L202 PluginConnector]: Adding new model safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 09:49:27 BoogieIcfgContainer [2022-10-20 21:49:27,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-20 21:49:27,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-20 21:49:27,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-20 21:49:27,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-20 21:49:27,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 09:49:26" (1/2) ... [2022-10-20 21:49:27,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eeb112a and model type safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 09:49:27, skipping insertion in model container [2022-10-20 21:49:27,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe007_power.opt-thin001_power.opt.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 09:49:27" (2/2) ... [2022-10-20 21:49:27,136 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_power.opt-thin001_power.opt.line807.bpl [2022-10-20 21:49:27,141 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-20 21:49:27,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-20 21:49:27,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-20 21:49:27,147 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-20 21:49:27,250 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-20 21:49:27,304 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:49:27,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:49:27,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:27,307 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 21:49:27,324 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 21:49:27,348 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:49:27,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 21:49:27,359 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;@57d2007e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:49:27,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:49:27,362 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-20 21:49:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-20 21:49:27,366 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:49:27,368 INFO L307 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-20 21:49:27,377 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:49:27,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:49:27,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:27,379 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 21:49:27,390 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:49:27,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 21:49:27,391 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;@57d2007e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:49:27,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:49:27,401 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 21:49:29,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 21:49:29,529 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:49:29,530 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-20 21:49:29,544 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:49:29,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:49:29,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:29,546 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 21:49:29,552 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:49:29,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 21:49:29,553 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;@57d2007e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:49:29,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:49:29,558 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 21:49:29,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 21:49:29,742 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:49:29,743 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-20 21:49:29,751 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:49:29,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:49:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:29,753 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 21:49:29,754 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 21:49:29,758 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:49:29,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 21:49:29,759 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;@57d2007e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:49:29,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:49:29,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 21:49:29,762 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 21:49:29,762 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-20 21:49:29,767 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 21:49:29,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 21:49:29,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 21:49:29,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-20 21:49:29,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-20 21:49:29,779 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 21:49:29,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 21:49:29,780 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;@57d2007e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 21:49:29,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 21:49:29,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:29,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2024399008, now seen corresponding path program 1 times [2022-10-20 21:49:29,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:29,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941896648] [2022-10-20 21:49:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:29,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:30,237 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 21:49:30,238 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:30,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941896648] [2022-10-20 21:49:30,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941896648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:30,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:30,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-20 21:49:30,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233373384] [2022-10-20 21:49:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:30,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-20 21:49:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-20 21:49:30,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-20 21:49:30,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:30,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.0) internal successors, (358), 2 states have internal predecessors, (358), 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 21:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-20 21:49:30,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:30,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:30,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1720241082, now seen corresponding path program 1 times [2022-10-20 21:49:30,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:30,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375398071] [2022-10-20 21:49:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:30,725 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 21:49:30,725 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:30,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375398071] [2022-10-20 21:49:30,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375398071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:30,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:30,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-20 21:49:30,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300990897] [2022-10-20 21:49:30,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:30,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-20 21:49:30,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:30,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-20 21:49:30,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-20 21:49:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:30,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 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 21:49:30,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:30,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-20 21:49:30,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1049325851, now seen corresponding path program 1 times [2022-10-20 21:49:30,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:30,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876009207] [2022-10-20 21:49:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:31,183 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 21:49:31,183 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:31,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876009207] [2022-10-20 21:49:31,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876009207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:31,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:31,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:49:31,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362805528] [2022-10-20 21:49:31,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:31,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:49:31,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:31,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:49:31,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:49:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:31,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.333333333333336) internal successors, (302), 6 states have internal predecessors, (302), 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 21:49:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-20 21:49:31,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:31,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2112287606, now seen corresponding path program 1 times [2022-10-20 21:49:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:31,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877577043] [2022-10-20 21:49:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:31,453 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 21:49:31,454 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:31,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877577043] [2022-10-20 21:49:31,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877577043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:31,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:31,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-20 21:49:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047638237] [2022-10-20 21:49:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:31,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-20 21:49:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-20 21:49:31,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-20 21:49:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:31,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 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 21:49:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-20 21:49:31,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:31,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1191355775, now seen corresponding path program 1 times [2022-10-20 21:49:31,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:31,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643107329] [2022-10-20 21:49:31,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:31,663 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 21:49:31,663 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:31,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643107329] [2022-10-20 21:49:31,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643107329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:31,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:31,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:49:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533377554] [2022-10-20 21:49:31,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:31,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:49:31,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:49:31,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:49:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:31,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 21:49:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:31,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-20 21:49:31,818 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:31,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:31,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2020743431, now seen corresponding path program 1 times [2022-10-20 21:49:31,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:31,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619022136] [2022-10-20 21:49:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:31,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:31,949 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 21:49:31,950 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:31,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619022136] [2022-10-20 21:49:31,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619022136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:31,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:31,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-20 21:49:31,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422949649] [2022-10-20 21:49:31,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:31,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-20 21:49:31,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:31,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-20 21:49:31,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-20 21:49:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:31,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 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 21:49:31,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:31,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-20 21:49:31,995 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 855757543, now seen corresponding path program 1 times [2022-10-20 21:49:31,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:31,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659865756] [2022-10-20 21:49:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:31,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:32,145 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 21:49:32,145 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:32,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659865756] [2022-10-20 21:49:32,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659865756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:32,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:32,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:49:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963565098] [2022-10-20 21:49:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:32,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:49:32,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:32,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:49:32,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:49:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:32,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 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 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-20 21:49:32,210 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1500291423, now seen corresponding path program 1 times [2022-10-20 21:49:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378545119] [2022-10-20 21:49:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:32,346 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 21:49:32,346 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:32,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378545119] [2022-10-20 21:49:32,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378545119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:32,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:32,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-20 21:49:32,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632703167] [2022-10-20 21:49:32,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:32,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-20 21:49:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:32,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-20 21:49:32,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-20 21:49:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:32,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 21:49:32,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:32,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-20 21:49:32,419 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:32,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1744862527, now seen corresponding path program 1 times [2022-10-20 21:49:32,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:32,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724705128] [2022-10-20 21:49:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:32,524 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 21:49:32,524 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:32,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724705128] [2022-10-20 21:49:32,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724705128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:32,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:32,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-20 21:49:32,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684243839] [2022-10-20 21:49:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:32,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-20 21:49:32,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:32,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-20 21:49:32,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-20 21:49:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:32,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 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 21:49:32,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:32,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:32,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:32,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:32,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:32,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:33,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-20 21:49:33,174 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:33,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:33,174 INFO L85 PathProgramCache]: Analyzing trace with hash -691881945, now seen corresponding path program 1 times [2022-10-20 21:49:33,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:33,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332776871] [2022-10-20 21:49:33,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:33,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:33,374 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 21:49:33,374 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:33,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332776871] [2022-10-20 21:49:33,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332776871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:33,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:33,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-20 21:49:33,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094403750] [2022-10-20 21:49:33,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:33,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-20 21:49:33,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:33,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-20 21:49:33,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-20 21:49:33,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:33,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 52.57142857142857) internal successors, (368), 8 states have internal predecessors, (368), 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 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-20 21:49:33,839 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:33,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:33,840 INFO L85 PathProgramCache]: Analyzing trace with hash -115635673, now seen corresponding path program 1 times [2022-10-20 21:49:33,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:33,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799740835] [2022-10-20 21:49:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:33,912 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 21:49:33,913 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:33,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799740835] [2022-10-20 21:49:33,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799740835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:33,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:33,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-20 21:49:33,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82117514] [2022-10-20 21:49:33,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:33,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-20 21:49:33,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:33,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-20 21:49:33,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-20 21:49:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:33,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-20 21:49:34,336 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1972572365, now seen corresponding path program 1 times [2022-10-20 21:49:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:34,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751337677] [2022-10-20 21:49:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:34,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:34,450 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 21:49:34,450 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:34,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751337677] [2022-10-20 21:49:34,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751337677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:34,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:34,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-20 21:49:34,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144336884] [2022-10-20 21:49:34,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:34,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-20 21:49:34,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:34,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-20 21:49:34,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-20 21:49:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:34,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:34,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-20 21:49:34,711 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1475123504, now seen corresponding path program 1 times [2022-10-20 21:49:34,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:34,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982705293] [2022-10-20 21:49:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:34,837 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 21:49:34,837 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:34,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982705293] [2022-10-20 21:49:34,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982705293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:34,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:34,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-20 21:49:34,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261433261] [2022-10-20 21:49:34,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:34,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-20 21:49:34,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:34,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-20 21:49:34,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-20 21:49:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:34,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.28571428571429) internal successors, (450), 7 states have internal predecessors, (450), 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 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:35,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-20 21:49:35,310 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:35,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:35,311 INFO L85 PathProgramCache]: Analyzing trace with hash -302176336, now seen corresponding path program 1 times [2022-10-20 21:49:35,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:35,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217990576] [2022-10-20 21:49:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:35,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:35,390 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 21:49:35,390 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:35,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217990576] [2022-10-20 21:49:35,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217990576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:35,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:35,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-20 21:49:35,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561091412] [2022-10-20 21:49:35,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:35,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-20 21:49:35,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:35,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-20 21:49:35,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-20 21:49:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:35,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.5) internal successors, (458), 4 states have internal predecessors, (458), 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 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:35,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-20 21:49:35,728 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:35,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1321214173, now seen corresponding path program 1 times [2022-10-20 21:49:35,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:35,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173754073] [2022-10-20 21:49:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:35,865 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 21:49:35,865 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:35,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173754073] [2022-10-20 21:49:35,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173754073] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:35,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:35,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-20 21:49:35,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480937712] [2022-10-20 21:49:35,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:35,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-20 21:49:35,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:35,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-20 21:49:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-20 21:49:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:35,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 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 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-20 21:49:36,165 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 21:49:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 21:49:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash -970508997, now seen corresponding path program 1 times [2022-10-20 21:49:36,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 21:49:36,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705635131] [2022-10-20 21:49:36,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 21:49:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 21:49:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 21:49:36,288 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 21:49:36,288 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 21:49:36,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705635131] [2022-10-20 21:49:36,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705635131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 21:49:36,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 21:49:36,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-20 21:49:36,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798425101] [2022-10-20 21:49:36,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 21:49:36,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-20 21:49:36,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 21:49:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-20 21:49:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-20 21:49:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:36,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 21:49:36,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 57.25) internal successors, (458), 8 states have internal predecessors, (458), 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 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:36,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-20 21:49:36,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.