/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/chunk07/safe014_power.oepc.line780.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-20 15:00:59,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-20 15:00:59,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-20 15:00:59,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-20 15:00:59,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-20 15:00:59,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-20 15:00:59,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-20 15:00:59,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-20 15:00:59,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-20 15:00:59,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-20 15:00:59,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-20 15:00:59,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-20 15:00:59,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-20 15:00:59,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-20 15:00:59,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-20 15:00:59,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-20 15:00:59,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-20 15:00:59,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-20 15:00:59,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-20 15:00:59,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-20 15:00:59,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-20 15:00:59,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-20 15:00:59,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-20 15:00:59,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-20 15:00:59,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-20 15:00:59,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-20 15:00:59,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-20 15:00:59,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-20 15:00:59,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-20 15:00:59,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-20 15:00:59,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-20 15:00:59,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-20 15:00:59,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-20 15:00:59,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-20 15:00:59,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-20 15:00:59,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-20 15:00:59,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-20 15:00:59,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-20 15:00:59,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-20 15:00:59,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-20 15:00:59,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-20 15:00:59,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-20 15:00:59,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-20 15:00:59,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-20 15:00:59,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-20 15:00:59,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-20 15:00:59,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-20 15:00:59,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-20 15:00:59,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-20 15:00:59,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-20 15:00:59,673 INFO L138 SettingsManager]: * Use SBE=true [2022-10-20 15:00:59,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-20 15:00:59,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-20 15:00:59,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-20 15:00:59,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-20 15:00:59,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-20 15:00:59,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 15:00:59,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-20 15:00:59,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-20 15:00:59,676 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-20 15:00:59,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-20 15:00:59,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-20 15:01:00,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-20 15:01:00,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-20 15:01:00,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-20 15:01:00,040 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-20 15:01:00,042 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-20 15:01:00,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk07/safe014_power.oepc.line780.bpl [2022-10-20 15:01:00,044 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk07/safe014_power.oepc.line780.bpl' [2022-10-20 15:01:00,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-20 15:01:00,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-20 15:01:00,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-20 15:01:00,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-20 15:01:00,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-20 15:01:00,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,174 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-20 15:01:00,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-20 15:01:00,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-20 15:01:00,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-20 15:01:00,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-20 15:01:00,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-20 15:01:00,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-20 15:01:00,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-20 15:01:00,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-20 15:01:00,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/1) ... [2022-10-20 15:01:00,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-20 15:01:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:00,319 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 15:01:00,327 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 15:01:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-20 15:01:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-20 15:01:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-20 15:01:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-20 15:01:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-20 15:01:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-20 15:01:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-20 15:01:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-20 15:01:00,355 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 15:01:00,493 INFO L234 CfgBuilder]: Building ICFG [2022-10-20 15:01:00,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-20 15:01:01,215 INFO L275 CfgBuilder]: Performing block encoding [2022-10-20 15:01:01,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-20 15:01:01,242 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-20 15:01:01,245 INFO L202 PluginConnector]: Adding new model safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:01:01 BoogieIcfgContainer [2022-10-20 15:01:01,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-20 15:01:01,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-20 15:01:01,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-20 15:01:01,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-20 15:01:01,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 03:01:00" (1/2) ... [2022-10-20 15:01:01,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf4d21a and model type safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 03:01:01, skipping insertion in model container [2022-10-20 15:01:01,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_power.oepc.line780.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:01:01" (2/2) ... [2022-10-20 15:01:01,257 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.line780.bpl [2022-10-20 15:01:01,264 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-20 15:01:01,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-20 15:01:01,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-20 15:01:01,272 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-20 15:01:01,444 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-20 15:01:01,510 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 15:01:01,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 15:01:01,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:01,515 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 15:01:01,536 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 15:01:01,562 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 15:01:01,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 15:01:01,583 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;@1e1161a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 15:01:01,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 15:01:01,587 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-20 15:01:01,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-20 15:01:01,595 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 15:01:01,606 INFO L307 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-20 15:01:01,624 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 15:01:01,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 15:01:01,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:01,628 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 15:01:01,629 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 15:01:01,634 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 15:01:01,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 15:01:01,635 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;@1e1161a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 15:01:01,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 15:01:08,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 15:01:08,139 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 15:01:08,140 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-20 15:01:08,147 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 15:01:08,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 15:01:08,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:08,154 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 15:01:08,157 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 15:01:08,161 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 15:01:08,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 15:01:08,162 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;@1e1161a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 15:01:08,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 15:01:08,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 15:01:08,169 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 15:01:08,170 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-20 15:01:08,190 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 15:01:08,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 15:01:08,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:08,195 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 15:01:08,218 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 15:01:08,222 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 15:01:08,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-20 15:01:08,223 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;@1e1161a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 15:01:08,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 15:01:08,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-20 15:01:08,609 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-20 15:01:08,610 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-20 15:01:08,615 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-20 15:01:08,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-20 15:01:08,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-20 15:01:08,619 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 15:01:08,631 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-20 15:01:08,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-20 15:01:08,632 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;@1e1161a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-20 15:01:08,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-20 15:01:08,650 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 15:01:08,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 15:01:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 15:01:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1136023446, now seen corresponding path program 1 times [2022-10-20 15:01:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 15:01:08,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131046658] [2022-10-20 15:01:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 15:01:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 15:01:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 15:01:09,626 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 15:01:09,627 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 15:01:09,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131046658] [2022-10-20 15:01:09,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131046658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 15:01:09,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 15:01:09,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-20 15:01:09,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074864863] [2022-10-20 15:01:09,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 15:01:09,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-20 15:01:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 15:01:09,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-20 15:01:09,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-20 15:01:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 15:01:09,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 15:01:09,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 15:01:09,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 15:01:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:09,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-20 15:01:09,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 15:01:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 15:01:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash -838382183, now seen corresponding path program 1 times [2022-10-20 15:01:09,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 15:01:09,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748902719] [2022-10-20 15:01:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 15:01:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 15:01:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 15:01:09,914 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 15:01:09,914 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 15:01:09,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748902719] [2022-10-20 15:01:09,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748902719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 15:01:09,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 15:01:09,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-20 15:01:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202643183] [2022-10-20 15:01:09,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 15:01:09,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-20 15:01:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 15:01:09,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-20 15:01:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-20 15:01:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 15:01:09,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 15:01:09,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 15:01:09,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:09,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-20 15:01:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:09,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-20 15:01:09,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err0ASSERT_VIOLATIONASSERT === [P2Err0ASSERT_VIOLATIONASSERT] === [2022-10-20 15:01:09,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-20 15:01:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1094546833, now seen corresponding path program 1 times [2022-10-20 15:01:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-20 15:01:09,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623180718] [2022-10-20 15:01:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-20 15:01:09,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-20 15:01:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-20 15:01:10,540 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 15:01:10,541 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-20 15:01:10,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623180718] [2022-10-20 15:01:10,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623180718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-20 15:01:10,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-20 15:01:10,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-20 15:01:10,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806275925] [2022-10-20 15:01:10,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-20 15:01:10,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-20 15:01:10,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-20 15:01:10,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-20 15:01:10,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-20 15:01:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-20 15:01:10,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-20 15:01:10,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 39.22222222222222) internal successors, (353), 10 states have internal predecessors, (353), 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 15:01:10,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:10,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-20 15:01:10,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.