/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 19:48:58,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 19:48:58,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 19:48:58,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 19:48:58,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 19:48:58,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 19:48:58,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 19:48:58,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 19:48:58,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 19:48:58,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 19:48:58,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 19:48:58,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 19:48:58,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 19:48:58,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 19:48:58,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 19:48:58,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 19:48:58,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 19:48:58,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 19:48:58,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 19:48:58,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 19:48:58,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 19:48:58,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 19:48:58,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 19:48:58,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 19:48:58,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 19:48:58,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 19:48:58,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 19:48:58,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 19:48:58,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 19:48:58,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 19:48:58,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 19:48:58,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 19:48:58,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 19:48:58,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 19:48:58,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 19:48:58,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 19:48:58,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 19:48:58,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 19:48:58,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 19:48:58,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 19:48:58,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 19:48:58,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 19:48:58,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 19:48:58,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 19:48:58,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 19:48:58,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 19:48:58,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 19:48:58,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 19:48:58,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 19:48:58,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 19:48:58,545 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 19:48:58,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 19:48:58,545 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 19:48:58,546 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 19:48:58,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 19:48:58,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 19:48:58,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 19:48:58,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 19:48:58,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 19:48:58,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 19:48:58,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 19:48:58,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 19:48:58,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 19:48:58,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 19:48:58,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 19:48:58,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 19:48:58,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 19:48:58,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 19:48:58,549 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 19:48:58,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 19:48:58,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 19:48:58,550 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 19:48:58,550 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 19:48:58,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 19:48:58,550 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 19:48:58,550 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 19:48:58,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 19:48:58,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 19:48:58,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 19:48:58,887 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 19:48:58,889 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 19:48:58,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl [2022-10-24 19:48:58,890 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl' [2022-10-24 19:48:58,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 19:48:58,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 19:48:58,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 19:48:58,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 19:48:58,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 19:48:58,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:58,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:58,987 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 19:48:58,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 19:48:58,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 19:48:58,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 19:48:58,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 19:48:58,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:58,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 19:48:59,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 19:48:59,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 19:48:59,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 19:48:59,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/1) ... [2022-10-24 19:48:59,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 19:48:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:48:59,077 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) [2022-10-24 19:48:59,079 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 [2022-10-24 19:48:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 19:48:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 19:48:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-10-24 19:48:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-10-24 19:48:59,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 19:48:59,292 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 19:48:59,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 19:48:59,692 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 19:48:59,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 19:48:59,707 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-24 19:48:59,716 INFO L202 PluginConnector]: Adding new model 13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:48:59 BoogieIcfgContainer [2022-10-24 19:48:59,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 19:48:59,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 19:48:59,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 19:48:59,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 19:48:59,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:48:58" (1/2) ... [2022-10-24 19:48:59,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff0006a and model type 13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:48:59, skipping insertion in model container [2022-10-24 19:48:59,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:48:59" (2/2) ... [2022-10-24 19:48:59,729 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.line307.bpl [2022-10-24 19:48:59,738 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 19:48:59,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 19:48:59,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 19:48:59,746 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 19:48:59,857 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-24 19:48:59,902 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:48:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:48:59,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:48:59,905 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) [2022-10-24 19:48:59,906 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 [2022-10-24 19:48:59,930 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:48:59,956 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:48:59,956 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:48:59,956 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:48:59,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 19:48:59,980 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;@43721c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:48:59,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:49:00,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 19:49:00,041 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:49:00,043 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/3) [2022-10-24 19:49:00,050 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:49:00,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:49:00,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:49:00,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 19:49:00,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-24 19:49:00,058 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:49:00,060 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:49:00,060 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:49:00,061 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:49:00,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 19:49:00,062 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;@43721c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:49:00,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:49:00,063 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 19:49:00,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 19:49:00,064 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:49:00,065 INFO L307 ceAbstractionStarter]: Result for error location workerErr0ASSERT_VIOLATIONASSERT was SAFE (2/3) [2022-10-24 19:49:00,070 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:49:00,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:49:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:49:00,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 19:49:00,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-24 19:49:00,082 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:49:00,084 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:49:00,084 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:49:00,084 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:49:00,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 19:49:00,085 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;@43721c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:49:00,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:49:00,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:00,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1274172131, now seen corresponding path program 1 times [2022-10-24 19:49:00,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:00,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264222630] [2022-10-24 19:49:00,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 19:49:00,599 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:00,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264222630] [2022-10-24 19:49:00,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264222630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:49:00,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:49:00,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 19:49:00,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319259966] [2022-10-24 19:49:00,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:49:00,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 19:49:00,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:00,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 19:49:00,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 19:49:00,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:00,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:00,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 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) [2022-10-24 19:49:00,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:00,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 19:49:00,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:00,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:00,738 INFO L85 PathProgramCache]: Analyzing trace with hash -12734049, now seen corresponding path program 1 times [2022-10-24 19:49:00,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:00,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094164888] [2022-10-24 19:49:00,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 19:49:01,084 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:01,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094164888] [2022-10-24 19:49:01,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094164888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:49:01,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:49:01,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-24 19:49:01,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133489456] [2022-10-24 19:49:01,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:49:01,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-24 19:49:01,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:01,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-24 19:49:01,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-24 19:49:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:01,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:01,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 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) [2022-10-24 19:49:01,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:01,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:02,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 19:49:02,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1871379601, now seen corresponding path program 1 times [2022-10-24 19:49:02,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:02,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390096382] [2022-10-24 19:49:02,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:02,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2059 backedges. 1439 proven. 343 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-10-24 19:49:04,366 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:04,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390096382] [2022-10-24 19:49:04,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390096382] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:49:04,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:49:04,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-10-24 19:49:04,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745481025] [2022-10-24 19:49:04,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:49:04,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-24 19:49:04,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-24 19:49:04,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-10-24 19:49:04,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:04,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:04,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 38.1875) internal successors, (611), 16 states have internal predecessors, (611), 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) [2022-10-24 19:49:04,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:04,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:04,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:06,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:06,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:06,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:06,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 19:49:06,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:06,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:06,575 INFO L85 PathProgramCache]: Analyzing trace with hash -50300898, now seen corresponding path program 2 times [2022-10-24 19:49:06,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:06,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269851234] [2022-10-24 19:49:06,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 162 proven. 18 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2022-10-24 19:49:07,628 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:07,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269851234] [2022-10-24 19:49:07,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269851234] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:49:07,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:49:07,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-10-24 19:49:07,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704784984] [2022-10-24 19:49:07,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:49:07,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-24 19:49:07,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-24 19:49:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2022-10-24 19:49:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:07,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:07,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.666666666666666) internal successors, (280), 24 states have internal predecessors, (280), 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) [2022-10-24 19:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-24 19:49:12,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 19:49:12,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:12,715 INFO L85 PathProgramCache]: Analyzing trace with hash 389783251, now seen corresponding path program 1 times [2022-10-24 19:49:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:12,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324072544] [2022-10-24 19:49:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2857 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 2475 trivial. 0 not checked. [2022-10-24 19:49:13,367 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:13,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324072544] [2022-10-24 19:49:13,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324072544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:49:13,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:49:13,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-24 19:49:13,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030883837] [2022-10-24 19:49:13,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:49:13,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 19:49:13,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:13,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 19:49:13,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-10-24 19:49:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:13,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:13,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 26.384615384615383) internal successors, (343), 13 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 19:49:13,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:13,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:13,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:13,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-10-24 19:49:13,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-24 19:49:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:49:15,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 19:49:15,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1072522942, now seen corresponding path program 2 times [2022-10-24 19:49:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:15,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982833301] [2022-10-24 19:49:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2022-10-24 19:49:16,449 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:16,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982833301] [2022-10-24 19:49:16,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982833301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:49:16,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:49:16,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-24 19:49:16,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042278140] [2022-10-24 19:49:16,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:49:16,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-24 19:49:16,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-24 19:49:16,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-10-24 19:49:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:16,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.928571428571427) internal successors, (321), 14 states have internal predecessors, (321), 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) [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:49:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-24 19:49:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:49:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:49:18,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 19:49:18,511 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:49:18,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:49:18,512 INFO L85 PathProgramCache]: Analyzing trace with hash 867662872, now seen corresponding path program 3 times [2022-10-24 19:49:18,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:49:18,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473288385] [2022-10-24 19:49:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:49:18,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:49:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:49:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 393 proven. 1146 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-24 19:49:21,611 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:49:21,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473288385] [2022-10-24 19:49:21,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473288385] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:49:21,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:49:21,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2022-10-24 19:49:21,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562164070] [2022-10-24 19:49:21,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:49:21,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-10-24 19:49:21,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:49:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-10-24 19:49:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=3451, Unknown=0, NotChecked=0, Total=3660 [2022-10-24 19:49:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:21,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:49:21,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 13.0) internal successors, (793), 61 states have internal predecessors, (793), 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) [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:49:21,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:52:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1135 states. [2022-10-24 19:52:11,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 19:52:11,113 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:52:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:52:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1619318913, now seen corresponding path program 4 times [2022-10-24 19:52:11,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:52:11,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424520695] [2022-10-24 19:52:11,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:52:11,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:52:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:52:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14691 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 14451 trivial. 0 not checked. [2022-10-24 19:52:14,666 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:52:14,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424520695] [2022-10-24 19:52:14,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424520695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:52:14,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:52:14,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 19:52:14,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370310651] [2022-10-24 19:52:14,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:52:14,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-24 19:52:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:52:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-24 19:52:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-24 19:52:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:14,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:52:14,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 40.285714285714285) internal successors, (282), 8 states have internal predecessors, (282), 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) [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1135 states. [2022-10-24 19:52:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:52:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:52:30,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1161 states. [2022-10-24 19:52:30,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:52:30,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 19:52:30,540 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:52:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:52:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash 198343667, now seen corresponding path program 5 times [2022-10-24 19:52:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:52:30,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439335263] [2022-10-24 19:52:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:52:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:52:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:52:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 19426 backedges. 6400 proven. 479 refuted. 0 times theorem prover too weak. 12547 trivial. 0 not checked. [2022-10-24 19:52:34,811 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:52:34,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439335263] [2022-10-24 19:52:34,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439335263] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:52:34,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:52:34,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2022-10-24 19:52:34,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919243767] [2022-10-24 19:52:34,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:52:34,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-10-24 19:52:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:52:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-10-24 19:52:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2814, Unknown=0, NotChecked=0, Total=2970 [2022-10-24 19:52:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:34,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:52:34,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 12.636363636363637) internal successors, (695), 55 states have internal predecessors, (695), 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) [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1161 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:52:34,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:54:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1218 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:54:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. [2022-10-24 19:54:19,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-24 19:54:19,999 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:54:19,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:54:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash 863511339, now seen corresponding path program 6 times [2022-10-24 19:54:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:54:20,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589861481] [2022-10-24 19:54:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:54:20,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:54:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:54:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 23216 backedges. 13198 proven. 972 refuted. 0 times theorem prover too weak. 9046 trivial. 0 not checked. [2022-10-24 19:54:27,781 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:54:27,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589861481] [2022-10-24 19:54:27,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589861481] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:54:27,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:54:27,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2022-10-24 19:54:27,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145921746] [2022-10-24 19:54:27,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:54:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-24 19:54:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:54:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-24 19:54:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2022-10-24 19:54:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:54:27,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:54:27,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 25.142857142857142) internal successors, (880), 35 states have internal predecessors, (880), 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) [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:54:27,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:54:27,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1218 states. [2022-10-24 19:54:27,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:54:27,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 590 states. [2022-10-24 19:54:27,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:55:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:55:22,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-24 19:55:22,930 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:55:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:55:22,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1646901011, now seen corresponding path program 1 times [2022-10-24 19:55:22,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:55:22,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619231824] [2022-10-24 19:55:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:55:22,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:55:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:55:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 95501 backedges. 38156 proven. 948 refuted. 0 times theorem prover too weak. 56397 trivial. 0 not checked. [2022-10-24 19:55:27,544 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:55:27,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619231824] [2022-10-24 19:55:27,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619231824] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:55:27,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:55:27,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-24 19:55:27,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43894534] [2022-10-24 19:55:27,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:55:27,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-24 19:55:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:55:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-24 19:55:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-24 19:55:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:27,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:55:27,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 65.11111111111111) internal successors, (586), 9 states have internal predecessors, (586), 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) [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:55:27,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:55:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:46,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-24 19:55:46,606 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:55:46,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:55:46,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1886506323, now seen corresponding path program 2 times [2022-10-24 19:55:46,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:55:46,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686765690] [2022-10-24 19:55:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:55:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:55:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:55:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 96505 backedges. 40896 proven. 1235 refuted. 0 times theorem prover too weak. 54374 trivial. 0 not checked. [2022-10-24 19:55:52,056 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:55:52,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686765690] [2022-10-24 19:55:52,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686765690] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:55:52,056 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:55:52,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-24 19:55:52,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578106562] [2022-10-24 19:55:52,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:55:52,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-24 19:55:52,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:55:52,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-24 19:55:52,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-10-24 19:55:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:52,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:55:52,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 72.77777777777777) internal successors, (655), 9 states have internal predecessors, (655), 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) [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:55:52,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:55:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:05,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-24 19:56:05,412 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:56:05,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:56:05,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1888046943, now seen corresponding path program 1 times [2022-10-24 19:56:05,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:56:05,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706854001] [2022-10-24 19:56:05,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:56:05,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:56:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:56:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 29458 backedges. 1743 proven. 75 refuted. 0 times theorem prover too weak. 27640 trivial. 0 not checked. [2022-10-24 19:56:08,697 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:56:08,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706854001] [2022-10-24 19:56:08,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706854001] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:56:08,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:56:08,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2022-10-24 19:56:08,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001488614] [2022-10-24 19:56:08,698 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:56:08,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-24 19:56:08,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:56:08,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-24 19:56:08,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2022-10-24 19:56:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:08,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:56:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.03448275862069) internal successors, (378), 29 states have internal predecessors, (378), 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) [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:08,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:08,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:25,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-24 19:56:25,411 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:56:25,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:56:25,421 INFO L85 PathProgramCache]: Analyzing trace with hash 535069244, now seen corresponding path program 2 times [2022-10-24 19:56:25,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:56:25,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473265693] [2022-10-24 19:56:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:56:25,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:56:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:56:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 28233 backedges. 5254 proven. 50 refuted. 0 times theorem prover too weak. 22929 trivial. 0 not checked. [2022-10-24 19:56:29,488 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:56:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473265693] [2022-10-24 19:56:29,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473265693] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:56:29,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:56:29,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-24 19:56:29,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891331388] [2022-10-24 19:56:29,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:56:29,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-24 19:56:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:56:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-24 19:56:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-10-24 19:56:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:29,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:56:29,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 33.666666666666664) internal successors, (505), 15 states have internal predecessors, (505), 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) [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:29,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:29,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:35,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-24 19:56:35,878 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:56:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:56:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 64522211, now seen corresponding path program 3 times [2022-10-24 19:56:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:56:35,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174927125] [2022-10-24 19:56:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:56:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:56:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:56:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6089 backedges. 2190 proven. 8 refuted. 0 times theorem prover too weak. 3891 trivial. 0 not checked. [2022-10-24 19:56:37,607 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:56:37,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174927125] [2022-10-24 19:56:37,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174927125] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:56:37,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:56:37,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-10-24 19:56:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848265978] [2022-10-24 19:56:37,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:56:37,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-24 19:56:37,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:56:37,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-24 19:56:37,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2022-10-24 19:56:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:37,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:56:37,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 28.529411764705884) internal successors, (485), 17 states have internal predecessors, (485), 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) [2022-10-24 19:56:37,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 612 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:37,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:48,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 617 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-24 19:56:48,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-24 19:56:48,937 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:56:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:56:48,937 INFO L85 PathProgramCache]: Analyzing trace with hash 792867954, now seen corresponding path program 4 times [2022-10-24 19:56:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:56:48,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161018657] [2022-10-24 19:56:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:56:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:56:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:56:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 27690 backedges. 1552 proven. 27 refuted. 0 times theorem prover too weak. 26111 trivial. 0 not checked. [2022-10-24 19:56:51,486 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:56:51,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161018657] [2022-10-24 19:56:51,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161018657] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:56:51,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:56:51,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2022-10-24 19:56:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476299634] [2022-10-24 19:56:51,487 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:56:51,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-24 19:56:51,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:56:51,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-24 19:56:51,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=971, Unknown=0, NotChecked=0, Total=1056 [2022-10-24 19:56:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:51,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:56:51,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.969696969696969) internal successors, (362), 33 states have internal predecessors, (362), 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) [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1226 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 617 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:56:51,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:56:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:56:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:56:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-24 19:56:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1240 states. [2022-10-24 19:57:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 617 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:57:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:57:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-24 19:57:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-24 19:57:16,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-24 19:57:16,416 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr0ASSERT_VIOLATIONASSERT === [workerErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:57:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:57:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash 687110994, now seen corresponding path program 5 times [2022-10-24 19:57:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:57:16,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605362444] [2022-10-24 19:57:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:57:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:57:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:57:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 40107 backedges. 12882 proven. 7724 refuted. 0 times theorem prover too weak. 19501 trivial. 0 not checked. [2022-10-24 19:57:21,924 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:57:21,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605362444] [2022-10-24 19:57:21,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605362444] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 19:57:21,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 19:57:21,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2022-10-24 19:57:21,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936577584] [2022-10-24 19:57:21,925 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 19:57:21,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-24 19:57:21,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:57:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-24 19:57:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2022-10-24 19:57:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:57:21,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:57:21,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 37.36363636363637) internal successors, (822), 22 states have internal predecessors, (822), 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) [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1240 states. [2022-10-24 19:57:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 617 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-24 19:57:21,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.