/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 85 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 03:48:13,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-06 03:48:13,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-06 03:48:13,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-06 03:48:13,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-06 03:48:13,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-06 03:48:13,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-06 03:48:13,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-06 03:48:13,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-06 03:48:13,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-06 03:48:13,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-06 03:48:13,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-06 03:48:13,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 03:48:13,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 03:48:13,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 03:48:13,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 03:48:13,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 03:48:13,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 03:48:13,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 03:48:13,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 03:48:13,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 03:48:13,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 03:48:13,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 03:48:13,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 03:48:13,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-06 03:48:13,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-06 03:48:13,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-06 03:48:13,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-06 03:48:13,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-06 03:48:13,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-06 03:48:13,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-06 03:48:13,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-06 03:48:13,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-06 03:48:13,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-06 03:48:13,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-06 03:48:13,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-06 03:48:13,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-06 03:48:13,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-06 03:48:13,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 03:48:13,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 03:48:13,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 03:48:13,251 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 03:48:13,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 03:48:13,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 03:48:13,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 03:48:13,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 03:48:13,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 03:48:13,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 03:48:13,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 03:48:13,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 03:48:13,284 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 03:48:13,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 03:48:13,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 03:48:13,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 03:48:13,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 03:48:13,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 03:48:13,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 03:48:13,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:48:13,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 03:48:13,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 03:48:13,294 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 03:48:13,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 85 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 03:48:13,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 03:48:13,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 03:48:13,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 03:48:13,629 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 03:48:13,630 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 03:48:13,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl [2022-10-06 03:48:13,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl' [2022-10-06 03:48:13,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 03:48:13,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 03:48:13,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 03:48:13,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 03:48:13,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 03:48:13,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,675 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 03:48:13,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 03:48:13,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 03:48:13,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 03:48:13,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 03:48:13,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 03:48:13,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 03:48:13,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 03:48:13,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 03:48:13,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/1) ... [2022-10-06 03:48:13,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:48:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:48:13,717 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 03:48:13,734 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 03:48:13,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 03:48:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 03:48:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 03:48:13,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 03:48:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 03:48:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 03:48:13,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 03:48:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 03:48:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 03:48:13,748 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 03:48:13,784 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 03:48:13,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 03:48:13,857 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 03:48:13,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 03:48:13,862 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 03:48:13,864 INFO L202 PluginConnector]: Adding new model map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 03:48:13 BoogieIcfgContainer [2022-10-06 03:48:13,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 03:48:13,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 03:48:13,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 03:48:13,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 03:48:13,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:48:13" (1/2) ... [2022-10-06 03:48:13,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5186834e and model type map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 03:48:13, skipping insertion in model container [2022-10-06 03:48:13,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 03:48:13" (2/2) ... [2022-10-06 03:48:13,870 INFO L112 eAbstractionObserver]: Analyzing ICFG map-incr-split.bpl [2022-10-06 03:48:13,875 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 03:48:13,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 03:48:13,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 03:48:13,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 03:48:13,910 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-06 03:48:13,939 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 03:48:13,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 03:48:13,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:48:13,941 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 03:48:13,943 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 03:48:13,965 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:48:13,993 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 03:48:13,993 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 03:48:13,993 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 03:48:14,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 03:48:14,005 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;@617e9328, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:48:14,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 03:48:14,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:14,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash 805733839, now seen corresponding path program 1 times [2022-10-06 03:48:14,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:14,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58064020] [2022-10-06 03:48:14,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:14,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:48:14,944 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:14,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58064020] [2022-10-06 03:48:14,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58064020] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:14,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:14,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 03:48:14,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596260673] [2022-10-06 03:48:14,948 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:14,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-06 03:48:14,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-06 03:48:14,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-06 03:48:14,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:14,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:14,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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 03:48:14,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:15,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 03:48:15,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:15,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1960891772, now seen corresponding path program 2 times [2022-10-06 03:48:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:15,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737417650] [2022-10-06 03:48:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-06 03:48:15,548 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:15,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737417650] [2022-10-06 03:48:15,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737417650] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:15,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:15,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 03:48:15,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276120242] [2022-10-06 03:48:15,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:15,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 03:48:15,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:15,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 03:48:15,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 03:48:15,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:15,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:15,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 03:48:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:15,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 03:48:15,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:15,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 326942569, now seen corresponding path program 3 times [2022-10-06 03:48:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:15,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339878773] [2022-10-06 03:48:15,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:15,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:48:17,043 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:17,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339878773] [2022-10-06 03:48:17,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339878773] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:17,044 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:17,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 03:48:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878439459] [2022-10-06 03:48:17,045 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:17,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-06 03:48:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-06 03:48:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-10-06 03:48:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:17,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:17,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 03:48:17,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:17,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:17,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:20,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 03:48:20,497 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 472112515, now seen corresponding path program 4 times [2022-10-06 03:48:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:20,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184902209] [2022-10-06 03:48:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:48:22,394 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:22,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184902209] [2022-10-06 03:48:22,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184902209] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:22,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:22,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2022-10-06 03:48:22,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729959470] [2022-10-06 03:48:22,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:22,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-06 03:48:22,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-06 03:48:22,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2022-10-06 03:48:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:22,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:22,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 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 03:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:22,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-06 03:48:29,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 03:48:29,250 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:29,251 INFO L85 PathProgramCache]: Analyzing trace with hash 635338781, now seen corresponding path program 5 times [2022-10-06 03:48:29,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:29,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280025515] [2022-10-06 03:48:29,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:48:31,908 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:31,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280025515] [2022-10-06 03:48:31,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280025515] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:31,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:31,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2022-10-06 03:48:31,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695993439] [2022-10-06 03:48:31,909 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:31,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-06 03:48:31,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:31,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-06 03:48:31,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2022-10-06 03:48:31,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:31,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:31,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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 03:48:31,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:31,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:31,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:31,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-10-06 03:48:31,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-06 03:48:42,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-10-06 03:48:42,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 03:48:42,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:42,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1525559, now seen corresponding path program 6 times [2022-10-06 03:48:42,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:42,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877528513] [2022-10-06 03:48:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:42,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:48:44,943 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:44,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877528513] [2022-10-06 03:48:44,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877528513] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:44,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:44,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2022-10-06 03:48:44,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394871241] [2022-10-06 03:48:44,944 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:44,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-06 03:48:44,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:44,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-06 03:48:44,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2022-10-06 03:48:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:44,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:44,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 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 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-10-06 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-10-06 03:48:44,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:48:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:48:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 03:48:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 03:48:56,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 03:48:56,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash -158312944, now seen corresponding path program 7 times [2022-10-06 03:48:56,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:56,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329129888] [2022-10-06 03:48:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:56,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:48:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 63 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-10-06 03:48:57,038 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:48:57,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329129888] [2022-10-06 03:48:57,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329129888] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:48:57,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:48:57,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 03:48:57,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976734375] [2022-10-06 03:48:57,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:48:57,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 03:48:57,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:48:57,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 03:48:57,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-06 03:48:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:57,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:48:57,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-06 03:48:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 03:48:57,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:48:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-10-06 03:48:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:48:57,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 03:48:57,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:48:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:48:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1184038293, now seen corresponding path program 8 times [2022-10-06 03:48:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:48:57,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050887327] [2022-10-06 03:48:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:48:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:48:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:55:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 26 proven. 634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:55:28,582 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:55:28,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050887327] [2022-10-06 03:55:28,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050887327] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:55:28,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:55:28,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-10-06 03:55:28,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667983854] [2022-10-06 03:55:28,583 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:55:28,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-10-06 03:55:28,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:55:28,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-10-06 03:55:28,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=4393, Unknown=0, NotChecked=0, Total=4556 [2022-10-06 03:55:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:55:28,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:55:28,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 1.537313432835821) internal successors, (103), 67 states have internal predecessors, (103), 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 03:55:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:55:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:55:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:55:28,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:55:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:55:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-10-06 03:55:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:55:28,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:55:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:55:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:55:59,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-06 03:55:59,313 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:55:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:55:59,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1394674054, now seen corresponding path program 9 times [2022-10-06 03:55:59,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:55:59,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821869261] [2022-10-06 03:55:59,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:55:59,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:55:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:55:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 118 proven. 307 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-06 03:55:59,444 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:55:59,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821869261] [2022-10-06 03:55:59,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821869261] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:55:59,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:55:59,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 03:55:59,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818828134] [2022-10-06 03:55:59,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:55:59,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 03:55:59,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:55:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 03:55:59,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-06 03:55:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:55:59,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:55:59,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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 03:55:59,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:55:59,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:55:59,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:55:59,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:55:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:55:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:55:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:55:59,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-06 03:55:59,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:55:59,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:55:59,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1637046131, now seen corresponding path program 10 times [2022-10-06 03:55:59,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:55:59,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867462481] [2022-10-06 03:55:59,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:55:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:55:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 48 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 03:57:22,691 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:22,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867462481] [2022-10-06 03:57:22,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867462481] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:22,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:22,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2022-10-06 03:57:22,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947405937] [2022-10-06 03:57:22,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:22,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-10-06 03:57:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:22,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-10-06 03:57:22,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=3362, Unknown=0, NotChecked=0, Total=3540 [2022-10-06 03:57:22,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:22,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:22,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-06 03:57:42,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-06 03:57:42,509 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:42,510 INFO L85 PathProgramCache]: Analyzing trace with hash -65128962, now seen corresponding path program 11 times [2022-10-06 03:57:42,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:42,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122484747] [2022-10-06 03:57:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:42,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 249 proven. 133 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-10-06 03:57:42,633 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:42,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122484747] [2022-10-06 03:57:42,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122484747] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:42,633 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:42,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 03:57:42,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297589178] [2022-10-06 03:57:42,634 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:42,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 03:57:42,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:42,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 03:57:42,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-06 03:57:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:42,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:42,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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 03:57:42,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:42,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-06 03:57:42,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-06 03:57:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-06 03:57:42,772 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:42,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2034800206, now seen corresponding path program 12 times [2022-10-06 03:57:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:42,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124237749] [2022-10-06 03:57:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 165 proven. 50 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-10-06 03:57:42,845 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:42,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124237749] [2022-10-06 03:57:42,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124237749] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:42,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:42,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 03:57:42,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882263232] [2022-10-06 03:57:42,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:42,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 03:57:42,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 03:57:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-06 03:57:42,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:42,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:42,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:42,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-10-06 03:57:42,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:42,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-06 03:57:43,286 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash -275344520, now seen corresponding path program 13 times [2022-10-06 03:57:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:43,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840946311] [2022-10-06 03:57:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 44 proven. 289 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-06 03:57:43,371 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:43,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840946311] [2022-10-06 03:57:43,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840946311] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:43,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:43,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-06 03:57:43,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366175756] [2022-10-06 03:57:43,373 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:43,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 03:57:43,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:43,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 03:57:43,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-06 03:57:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:43,374 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:43,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-06 03:57:43,642 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash 78913507, now seen corresponding path program 14 times [2022-10-06 03:57:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:43,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676824171] [2022-10-06 03:57:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 538 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-06 03:57:43,755 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:43,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676824171] [2022-10-06 03:57:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676824171] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:43,755 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-06 03:57:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186447021] [2022-10-06 03:57:43,756 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:43,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 03:57:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:43,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 03:57:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-06 03:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:43,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:43,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 03:57:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:43,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-06 03:57:43,880 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:43,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash -161257484, now seen corresponding path program 15 times [2022-10-06 03:57:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:43,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410595282] [2022-10-06 03:57:43,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:57:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 192 proven. 707 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-10-06 03:57:44,016 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:57:44,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410595282] [2022-10-06 03:57:44,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410595282] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:57:44,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:57:44,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-06 03:57:44,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198044111] [2022-10-06 03:57:44,017 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:57:44,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-06 03:57:44,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:57:44,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-06 03:57:44,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-06 03:57:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:44,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:57:44,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 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 03:57:44,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:44,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 03:57:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:57:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 03:57:44,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-06 03:57:44,142 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:57:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:57:44,142 INFO L85 PathProgramCache]: Analyzing trace with hash 195978565, now seen corresponding path program 16 times [2022-10-06 03:57:44,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:57:44,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024294092] [2022-10-06 03:57:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:57:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:57:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-06 03:57:45,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-06 03:57:45,700 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:295) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:145) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:250) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:879) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:803) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-06 03:57:45,705 INFO L158 Benchmark]: Toolchain (without parser) took 572053.33ms. Allocated memory was 200.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 178.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-10-06 03:57:45,705 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 200.3MB. Free memory was 179.6MB in the beginning and 179.5MB in the end (delta: 76.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 03:57:45,706 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-06 03:57:45,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.52ms. Allocated memory is still 200.3MB. Free memory was 178.4MB in the beginning and 176.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 03:57:45,708 INFO L158 Benchmark]: Boogie Preprocessor took 15.03ms. Allocated memory is still 200.3MB. Free memory was 176.9MB in the beginning and 175.9MB in the end (delta: 988.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 03:57:45,708 INFO L158 Benchmark]: RCFGBuilder took 170.42ms. Allocated memory is still 200.3MB. Free memory was 175.9MB in the beginning and 167.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-06 03:57:45,710 INFO L158 Benchmark]: TraceAbstraction took 571838.40ms. Allocated memory was 200.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 166.6MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-10-06 03:57:45,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 200.3MB. Free memory was 179.6MB in the beginning and 179.5MB in the end (delta: 76.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.52ms. Allocated memory is still 200.3MB. Free memory was 178.4MB in the beginning and 176.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.03ms. Allocated memory is still 200.3MB. Free memory was 176.9MB in the beginning and 175.9MB in the end (delta: 988.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 170.42ms. Allocated memory is still 200.3MB. Free memory was 175.9MB in the beginning and 167.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 571838.40ms. Allocated memory was 200.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 166.6MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown