java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:01:53,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:01:53,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:01:53,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:01:53,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:01:53,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:01:53,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:01:53,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:01:53,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:01:53,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:01:53,377 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:01:53,377 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:01:53,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:01:53,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:01:53,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:01:53,390 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:01:53,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:01:53,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:01:53,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:01:53,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:01:53,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:01:53,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:01:53,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 08:01:53,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 08:01:53,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 08:01:53,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 08:01:53,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 08:01:53,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 08:01:53,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 08:01:53,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 08:01:53,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 08:01:53,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 08:01:53,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 08:01:53,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:01:53,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:01:53,455 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:01:53,456 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:01:53,456 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:01:53,457 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:01:53,457 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:01:53,457 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:01:53,457 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:01:53,457 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:01:53,458 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:01:53,458 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:01:53,458 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:01:53,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:01:53,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:01:53,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:01:53,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:01:53,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:01:53,462 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:01:53,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:01:53,463 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:01:53,463 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:01:53,463 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:01:53,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:01:53,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:01:53,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:01:53,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:01:53,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:01:53,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:01:53,465 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:01:53,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:01:53,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:01:53,465 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:01:53,466 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:01:53,466 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:01:53,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:01:53,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:01:53,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:01:53,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:01:53,541 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:01:53,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-19 08:01:53,888 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef97b5556/707217ca408c4d3282cd14a51ec020c4/FLAG204280210 [2018-09-19 08:01:54,185 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:01:54,186 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-19 08:01:54,208 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef97b5556/707217ca408c4d3282cd14a51ec020c4/FLAG204280210 [2018-09-19 08:01:54,225 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef97b5556/707217ca408c4d3282cd14a51ec020c4 [2018-09-19 08:01:54,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:01:54,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:01:54,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:54,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:01:54,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:01:54,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:54,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac4193d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54, skipping insertion in model container [2018-09-19 08:01:54,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:54,271 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:01:54,749 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:54,774 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:01:54,919 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:54,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54 WrapperNode [2018-09-19 08:01:54,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:54,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:54,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:01:54,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:01:54,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:54,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:55,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:01:55,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:01:55,062 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:01:55,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... [2018-09-19 08:01:55,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:01:55,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:01:55,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:01:55,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:01:55,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:01:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:01:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:01:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 08:01:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 08:01:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:01:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:01:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:01:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:01:58,486 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:01:58,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:58 BoogieIcfgContainer [2018-09-19 08:01:58,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:01:58,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:01:58,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:01:58,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:01:58,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:01:54" (1/3) ... [2018-09-19 08:01:58,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2808ce3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:58, skipping insertion in model container [2018-09-19 08:01:58,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:54" (2/3) ... [2018-09-19 08:01:58,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2808ce3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:58, skipping insertion in model container [2018-09-19 08:01:58,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:58" (3/3) ... [2018-09-19 08:01:58,497 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-09-19 08:01:58,508 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:01:58,517 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:01:58,579 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:01:58,580 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:01:58,581 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:01:58,581 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:01:58,581 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:01:58,581 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:01:58,581 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:01:58,582 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:01:58,582 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:01:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 08:01:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-19 08:01:58,626 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:58,628 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:01:58,629 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:58,635 INFO L82 PathProgramCache]: Analyzing trace with hash -200516955, now seen corresponding path program 1 times [2018-09-19 08:01:58,639 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:58,640 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-09-19 08:01:58,644 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 08:01:58,730 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:58,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:02:19,258 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:02:19,260 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 08:02:19,287 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:02:21,413 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 08:02:21,414 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:02:22,710 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:02:22,711 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:02:22,712 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 08:02:22,712 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:02:22,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 08:02:22,725 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 08:02:22,726 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 08:02:22,730 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 08:02:29,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:02:29,449 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 08:02:29,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 08:02:29,451 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2018-09-19 08:02:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:02:29,467 INFO L225 Difference]: With dead ends: 475 [2018-09-19 08:02:29,467 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 08:02:29,474 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 08:02:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 08:02:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 08:02:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 08:02:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 08:02:29,544 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 101 [2018-09-19 08:02:29,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:02:29,545 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 08:02:29,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 08:02:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 08:02:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-19 08:02:29,554 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:02:29,555 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:02:29,555 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:02:29,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1886624862, now seen corresponding path program 1 times [2018-09-19 08:02:29,556 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:02:29,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-09-19 08:02:29,558 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:02:29,576 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:02:29,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:03:14,304 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:03:14,304 INFO L272 AbstractInterpreter]: Visited 104 different actions 169 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 08:03:14,309 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:03:16,486 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 80.34% of their original sizes. [2018-09-19 08:03:16,487 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:03:17,547 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:03:17,547 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:03:17,548 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:03:17,548 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:03:17,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:03:17,550 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:03:17,550 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:03:17,550 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 08:03:24,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:03:24,610 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 08:03:24,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 08:03:24,611 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2018-09-19 08:03:24,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:03:24,618 INFO L225 Difference]: With dead ends: 608 [2018-09-19 08:03:24,618 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 08:03:24,622 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 08:03:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 08:03:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 08:03:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 08:03:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 08:03:24,660 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 110 [2018-09-19 08:03:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:03:24,661 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 08:03:24,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:03:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 08:03:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-19 08:03:24,665 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:03:24,665 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:03:24,665 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:03:24,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914094, now seen corresponding path program 1 times [2018-09-19 08:03:24,666 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:03:24,666 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-09-19 08:03:24,667 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:03:24,673 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:03:24,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:04:09,670 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:04:09,670 INFO L272 AbstractInterpreter]: Visited 104 different actions 168 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 08:04:09,679 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:04:11,855 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 80.34% of their original sizes. [2018-09-19 08:04:11,856 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:04:13,034 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:04:13,034 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:04:13,034 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 08:04:13,034 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:04:13,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 08:04:13,035 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 08:04:13,035 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 08:04:13,036 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 12 states. [2018-09-19 08:04:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:04:22,410 INFO L93 Difference]: Finished difference Result 788 states and 1227 transitions. [2018-09-19 08:04:22,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 08:04:22,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 113 [2018-09-19 08:04:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:04:22,418 INFO L225 Difference]: With dead ends: 788 [2018-09-19 08:04:22,418 INFO L226 Difference]: Without dead ends: 590 [2018-09-19 08:04:22,420 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-09-19 08:04:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-09-19 08:04:22,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 585. [2018-09-19 08:04:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-09-19 08:04:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 745 transitions. [2018-09-19 08:04:22,460 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 745 transitions. Word has length 113 [2018-09-19 08:04:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:04:22,461 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 745 transitions. [2018-09-19 08:04:22,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 08:04:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 745 transitions. [2018-09-19 08:04:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-19 08:04:22,464 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:04:22,464 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:04:22,465 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:04:22,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1113726613, now seen corresponding path program 1 times [2018-09-19 08:04:22,465 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:04:22,465 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 123 with the following transitions: [2018-09-19 08:04:22,466 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:04:22,471 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:04:22,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:05:30,948 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:05:30,949 INFO L272 AbstractInterpreter]: Visited 105 different actions 277 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-09-19 08:05:30,958 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:05:32,996 INFO L232 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 80.35% of their original sizes. [2018-09-19 08:05:32,997 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:05:33,375 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:05:33,376 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:05:33,376 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 08:05:33,376 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:05:33,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 08:05:33,377 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 08:05:33,377 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 08:05:33,378 INFO L87 Difference]: Start difference. First operand 585 states and 745 transitions. Second operand 10 states. [2018-09-19 08:05:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:05:39,653 INFO L93 Difference]: Finished difference Result 1157 states and 1589 transitions. [2018-09-19 08:05:39,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 08:05:39,653 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2018-09-19 08:05:39,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:05:39,659 INFO L225 Difference]: With dead ends: 1157 [2018-09-19 08:05:39,660 INFO L226 Difference]: Without dead ends: 777 [2018-09-19 08:05:39,661 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 129 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 08:05:39,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2018-09-19 08:05:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 766. [2018-09-19 08:05:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-09-19 08:05:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 946 transitions. [2018-09-19 08:05:39,702 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 946 transitions. Word has length 122 [2018-09-19 08:05:39,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:05:39,703 INFO L480 AbstractCegarLoop]: Abstraction has 766 states and 946 transitions. [2018-09-19 08:05:39,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 08:05:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 946 transitions. [2018-09-19 08:05:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-19 08:05:39,706 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:05:39,707 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:05:39,707 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:05:39,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1046726514, now seen corresponding path program 1 times [2018-09-19 08:05:39,708 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:05:39,708 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-09-19 08:05:39,708 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:05:39,714 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:05:39,714 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:06:23,445 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:06:23,446 INFO L272 AbstractInterpreter]: Visited 104 different actions 169 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 08:06:23,450 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 08:06:25,806 INFO L232 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.26% of their original sizes. [2018-09-19 08:06:25,806 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:06:25,826 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 08:06:25,830 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 08:06:25,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:06:25 BoogieIcfgContainer [2018-09-19 08:06:25,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:06:25,832 INFO L168 Benchmark]: Toolchain (without parser) took 271594.29 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -384.4 MB). Peak memory consumption was 937.8 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,834 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:06:25,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,836 INFO L168 Benchmark]: Boogie Preprocessor took 232.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,837 INFO L168 Benchmark]: RCFGBuilder took 3193.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,838 INFO L168 Benchmark]: TraceAbstraction took 267342.19 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 562.6 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 313.1 MB). Peak memory consumption was 875.6 MB. Max. memory is 7.1 GB. [2018-09-19 08:06:25,843 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 104.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 232.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3193.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267342.19 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 562.6 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 313.1 MB). Peak memory consumption was 875.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 458]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 458). Cancelled while BasicCegarLoop was analyzing trace of length 144 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 267.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 29.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 918 SDtfs, 2237 SDslu, 1056 SDs, 0 SdLazy, 5776 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 483 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 222.6s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9936567765261809 AbsIntWeakeningRatio, 0.2482876712328767 AbsIntAvgWeakeningVarsNumRemoved, 2782.6318493150684 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-06-25-857.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-06-25-857.csv Completed graceful shutdown