/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 95 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/acq-work.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 04:44:40,496 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 04:44:40,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 04:44:40,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 04:44:40,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 04:44:40,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 04:44:40,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 04:44:40,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 04:44:40,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 04:44:40,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 04:44:40,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 04:44:40,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 04:44:40,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 04:44:40,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 04:44:40,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 04:44:40,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 04:44:40,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 04:44:40,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 04:44:40,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 04:44:40,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 04:44:40,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 04:44:40,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 04:44:40,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 04:44:40,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 04:44:40,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 04:44:40,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 04:44:40,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 04:44:40,645 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 04:44:40,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 04:44:40,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 04:44:40,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 04:44:40,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 04:44:40,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 04:44:40,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 04:44:40,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 04:44:40,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 04:44:40,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 04:44:40,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 04:44:40,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 04:44:40,651 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 04:44:40,651 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 04:44:40,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 04:44:40,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 04:44:40,651 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 04:44:40,652 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 04:44:40,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 04:44:40,653 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 04:44:40,653 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 95 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 04:44:40,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 04:44:40,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 04:44:40,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 04:44:40,990 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 04:44:40,992 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 04:44:40,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/acq-work.bpl [2022-10-06 04:44:40,993 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/acq-work.bpl' [2022-10-06 04:44:41,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 04:44:41,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 04:44:41,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 04:44:41,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 04:44:41,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 04:44:41,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,057 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-06 04:44:41,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 04:44:41,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 04:44:41,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 04:44:41,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 04:44:41,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 04:44:41,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 04:44:41,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 04:44:41,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 04:44:41,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/1) ... [2022-10-06 04:44:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 04:44:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:44:41,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-06 04:44:41,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-06 04:44:41,147 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 04:44:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 04:44:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 04:44:41,147 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 04:44:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 04:44:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 04:44:41,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1WithAssert given in one single declaration [2022-10-06 04:44:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread1WithAssert [2022-10-06 04:44:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1WithAssert [2022-10-06 04:44:41,149 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 04:44:41,191 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 04:44:41,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 04:44:41,284 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 04:44:41,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 04:44:41,315 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-06 04:44:41,318 INFO L202 PluginConnector]: Adding new model acq-work.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:44:41 BoogieIcfgContainer [2022-10-06 04:44:41,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 04:44:41,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 04:44:41,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 04:44:41,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 04:44:41,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "acq-work.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:44:41" (1/2) ... [2022-10-06 04:44:41,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563de75d and model type acq-work.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:44:41, skipping insertion in model container [2022-10-06 04:44:41,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "acq-work.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:44:41" (2/2) ... [2022-10-06 04:44:41,341 INFO L112 eAbstractionObserver]: Analyzing ICFG acq-work.bpl [2022-10-06 04:44:41,347 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 04:44:41,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 04:44:41,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 04:44:41,370 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 04:44:41,441 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-06 04:44:41,495 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 04:44:41,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 04:44:41,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:44:41,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 04:44:41,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-06 04:44:41,535 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,566 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 04:44:41,566 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 04:44:41,566 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 04:44:41,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 04:44:41,588 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;@2c9833df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 04:44:41,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 04:44:41,618 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 04:44:41,621 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-06 04:44:41,637 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 04:44:41,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 04:44:41,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:44:41,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 04:44:41,653 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,655 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 04:44:41,655 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 04:44:41,655 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 04:44:41,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 04:44:41,656 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;@2c9833df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 04:44:41,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-06 04:44:41,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 04:44:41,692 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 04:44:41,693 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-06 04:44:41,707 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 04:44:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 04:44:41,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:44:41,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 04:44:41,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-06 04:44:41,715 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,716 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 04:44:41,717 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 04:44:41,717 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 04:44:41,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1WithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 04:44:41,718 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;@2c9833df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 04:44:41,729 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-06 04:44:41,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1WithAssertErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 04:44:41,731 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 04:44:41,731 INFO L307 ceAbstractionStarter]: Result for error location thread1WithAssertErr0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-06 04:44:41,736 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 04:44:41,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 04:44:41,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 04:44:41,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 04:44:41,758 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,759 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 04:44:41,759 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 04:44:41,759 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 04:44:41,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1WithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 04:44:41,760 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;@2c9833df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 04:44:41,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 04:44:41,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-06 04:44:41,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:41,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 710121898, now seen corresponding path program 1 times [2022-10-06 04:44:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:41,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291466389] [2022-10-06 04:44:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 04:44:42,047 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291466389] [2022-10-06 04:44:42,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291466389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 04:44:42,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 04:44:42,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-06 04:44:42,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245573260] [2022-10-06 04:44:42,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 04:44:42,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-06 04:44:42,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-06 04:44:42,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-06 04:44:42,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:42,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:42,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:42,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:42,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 04:44:42,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:42,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash 658847618, now seen corresponding path program 1 times [2022-10-06 04:44:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:42,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840376785] [2022-10-06 04:44:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 04:44:42,836 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:42,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840376785] [2022-10-06 04:44:42,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840376785] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:42,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:42,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 04:44:42,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94395694] [2022-10-06 04:44:42,837 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:42,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 04:44:42,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:42,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 04:44:42,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-06 04:44:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:42,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:42,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:42,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:42,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:43,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:43,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:43,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 04:44:43,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash -236457998, now seen corresponding path program 1 times [2022-10-06 04:44:43,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:43,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407230111] [2022-10-06 04:44:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:43,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 9 proven. 186 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-06 04:44:43,692 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:43,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407230111] [2022-10-06 04:44:43,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407230111] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:43,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:43,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 04:44:43,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48760913] [2022-10-06 04:44:43,694 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:43,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 04:44:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:43,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 04:44:43,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-06 04:44:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:43,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:43,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:43,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:43,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:43,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:44,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 04:44:44,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:44,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:44,112 INFO L85 PathProgramCache]: Analyzing trace with hash 988715488, now seen corresponding path program 1 times [2022-10-06 04:44:44,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:44,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990895700] [2022-10-06 04:44:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 29 proven. 454 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-10-06 04:44:44,530 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:44,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990895700] [2022-10-06 04:44:44,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990895700] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:44,531 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:44,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 04:44:44,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197752529] [2022-10-06 04:44:44,531 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:44,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 04:44:44,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:44,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 04:44:44,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-06 04:44:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:44,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:44,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:44,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:44,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:44,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:44,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:45,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 04:44:45,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1674668242, now seen corresponding path program 2 times [2022-10-06 04:44:45,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:45,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298656665] [2022-10-06 04:44:45,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:45,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 699 proven. 285 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-10-06 04:44:45,534 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:45,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298656665] [2022-10-06 04:44:45,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298656665] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:45,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:45,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-06 04:44:45,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580833808] [2022-10-06 04:44:45,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:45,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-06 04:44:45,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:45,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-06 04:44:45,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-06 04:44:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:45,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:45,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:45,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:45,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:45,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:45,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:45,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:45,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 04:44:45,751 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:45,752 INFO L85 PathProgramCache]: Analyzing trace with hash -358989310, now seen corresponding path program 3 times [2022-10-06 04:44:45,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:45,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923014717] [2022-10-06 04:44:45,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2378 backedges. 1342 proven. 575 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-10-06 04:44:46,051 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:46,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923014717] [2022-10-06 04:44:46,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923014717] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:46,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:46,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-06 04:44:46,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700476529] [2022-10-06 04:44:46,052 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:46,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-06 04:44:46,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:46,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-06 04:44:46,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-10-06 04:44:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:46,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:46,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:46,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:46,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 04:44:46,428 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash -65004670, now seen corresponding path program 2 times [2022-10-06 04:44:46,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:46,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022943471] [2022-10-06 04:44:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:46,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18070 backedges. 7575 proven. 7399 refuted. 0 times theorem prover too weak. 3096 trivial. 0 not checked. [2022-10-06 04:44:47,209 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:47,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022943471] [2022-10-06 04:44:47,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022943471] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:47,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:47,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 04:44:47,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356639871] [2022-10-06 04:44:47,210 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:47,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 04:44:47,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:47,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 04:44:47,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-10-06 04:44:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:47,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:47,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.23076923076923) internal successors, (159), 14 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:47,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:47,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:47,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:47,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 04:44:47,619 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2058334230, now seen corresponding path program 3 times [2022-10-06 04:44:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112948449] [2022-10-06 04:44:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:47,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36940 backedges. 15377 proven. 14551 refuted. 0 times theorem prover too weak. 7012 trivial. 0 not checked. [2022-10-06 04:44:48,856 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:48,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112948449] [2022-10-06 04:44:48,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112948449] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:48,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:48,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-06 04:44:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356360291] [2022-10-06 04:44:48,857 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:48,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 04:44:48,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:48,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 04:44:48,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-10-06 04:44:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:48,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:48,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.416666666666666) internal successors, (149), 13 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:48,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:48,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:49,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-06 04:44:49,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash -909756790, now seen corresponding path program 4 times [2022-10-06 04:44:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:49,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807957343] [2022-10-06 04:44:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 55541 backedges. 25726 proven. 19895 refuted. 0 times theorem prover too weak. 9920 trivial. 0 not checked. [2022-10-06 04:44:50,719 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:50,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807957343] [2022-10-06 04:44:50,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807957343] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:50,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:50,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 04:44:50,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722326213] [2022-10-06 04:44:50,720 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:50,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 04:44:50,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:50,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 04:44:50,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-10-06 04:44:50,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:50,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:50,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:50,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:50,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:50,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:51,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-06 04:44:51,148 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:51,149 INFO L85 PathProgramCache]: Analyzing trace with hash 52310882, now seen corresponding path program 5 times [2022-10-06 04:44:51,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:51,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63783810] [2022-10-06 04:44:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:51,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 48577 backedges. 26178 proven. 15126 refuted. 0 times theorem prover too weak. 7273 trivial. 0 not checked. [2022-10-06 04:44:52,173 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63783810] [2022-10-06 04:44:52,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63783810] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:52,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:52,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 04:44:52,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880833406] [2022-10-06 04:44:52,174 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:52,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-06 04:44:52,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:52,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-06 04:44:52,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-10-06 04:44:52,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:52,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:52,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.5) internal successors, (175), 15 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:44:52,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-06 04:44:52,793 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:52,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:52,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1583410692, now seen corresponding path program 6 times [2022-10-06 04:44:52,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:52,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863447129] [2022-10-06 04:44:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:52,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 132495 backedges. 47903 proven. 67722 refuted. 0 times theorem prover too weak. 16870 trivial. 0 not checked. [2022-10-06 04:44:55,092 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:55,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863447129] [2022-10-06 04:44:55,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863447129] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:55,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:55,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-10-06 04:44:55,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515874903] [2022-10-06 04:44:55,094 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:55,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-06 04:44:55,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:55,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-06 04:44:55,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-10-06 04:44:55,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:55,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:55,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 13.625) internal successors, (218), 17 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:44:55,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:44:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:44:55,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-06 04:44:55,863 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:55,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1549935986, now seen corresponding path program 7 times [2022-10-06 04:44:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:55,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011340592] [2022-10-06 04:44:55,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:55,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:44:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:44:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 224624 backedges. 140584 proven. 59475 refuted. 0 times theorem prover too weak. 24565 trivial. 0 not checked. [2022-10-06 04:44:58,994 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:44:58,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011340592] [2022-10-06 04:44:58,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011340592] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:44:58,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:44:58,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-10-06 04:44:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657147308] [2022-10-06 04:44:58,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:44:58,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-06 04:44:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:44:58,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-06 04:44:58,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2022-10-06 04:44:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:58,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:44:58,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 14.0) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:58,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:59,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:59,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:44:59,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:44:59,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:44:59,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:44:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:44:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:44:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:44:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:44:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-06 04:44:59,973 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:44:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:44:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1477752750, now seen corresponding path program 8 times [2022-10-06 04:44:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:44:59,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661037912] [2022-10-06 04:44:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:44:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:45:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:45:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 539487 backedges. 137101 proven. 353911 refuted. 0 times theorem prover too weak. 48475 trivial. 0 not checked. [2022-10-06 04:45:06,062 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:45:06,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661037912] [2022-10-06 04:45:06,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661037912] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:45:06,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:45:06,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2022-10-06 04:45:06,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243093153] [2022-10-06 04:45:06,063 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:45:06,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-06 04:45:06,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:45:06,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-06 04:45:06,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-10-06 04:45:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:06,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:45:06,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 15.75) internal successors, (315), 21 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:06,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:06,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:06,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 04:45:07,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-06 04:45:07,651 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:45:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:45:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash -536897814, now seen corresponding path program 9 times [2022-10-06 04:45:07,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:45:07,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854764656] [2022-10-06 04:45:07,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:45:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:45:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:45:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 815327 backedges. 611099 proven. 146728 refuted. 0 times theorem prover too weak. 57500 trivial. 0 not checked. [2022-10-06 04:45:16,176 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:45:16,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854764656] [2022-10-06 04:45:16,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854764656] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:45:16,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:45:16,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-10-06 04:45:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044963965] [2022-10-06 04:45:16,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:45:16,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-06 04:45:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:45:16,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-06 04:45:16,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=391, Unknown=0, NotChecked=0, Total=650 [2022-10-06 04:45:16,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:16,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:45:16,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 15.92) internal successors, (398), 26 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:45:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 04:45:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:18,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 04:45:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-06 04:45:18,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-06 04:45:18,500 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:45:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:45:18,501 INFO L85 PathProgramCache]: Analyzing trace with hash 288967680, now seen corresponding path program 10 times [2022-10-06 04:45:18,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:45:18,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202609474] [2022-10-06 04:45:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:45:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:45:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 04:45:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1890430 backedges. 1145371 proven. 656389 refuted. 0 times theorem prover too weak. 88670 trivial. 0 not checked. [2022-10-06 04:45:38,987 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 04:45:38,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202609474] [2022-10-06 04:45:38,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202609474] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 04:45:38,988 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 04:45:38,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2022-10-06 04:45:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371211028] [2022-10-06 04:45:38,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 04:45:38,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-06 04:45:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 04:45:38,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-06 04:45:38,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=546, Unknown=0, NotChecked=0, Total=930 [2022-10-06 04:45:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:38,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 04:45:38,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 16.8) internal successors, (504), 31 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 04:45:38,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:38,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:38,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 04:45:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-10-06 04:45:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-06 04:45:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-06 04:45:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 04:45:41,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-06 04:45:41,720 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 04:45:41,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 04:45:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1033085652, now seen corresponding path program 11 times [2022-10-06 04:45:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 04:45:41,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145843093] [2022-10-06 04:45:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 04:45:41,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 04:45:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat