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/Problem02_label40_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:27:49,521 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:27:49,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:27:49,542 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:27:49,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:27:49,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:27:49,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:27:49,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:27:49,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:27:49,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:27:49,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:27:49,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:27:49,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:27:49,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:27:49,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:27:49,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:27:49,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:27:49,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:27:49,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:27:49,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:27:49,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:27:49,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:27:49,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 08:27:49,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 08:27:49,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 08:27:49,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 08:27:49,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 08:27:49,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 08:27:49,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 08:27:49,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 08:27:49,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 08:27:49,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 08:27:49,575 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 08:27:49,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:27:49,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:27:49,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:27:49,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:27:49,593 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:27:49,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:27:49,594 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:27:49,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:27:49,594 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:27:49,595 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:27:49,595 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:27:49,595 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:27:49,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:27:49,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:27:49,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:27:49,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:27:49,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:27:49,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:27:49,597 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:27:49,597 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:27:49,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:27:49,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:27:49,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:27:49,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:27:49,598 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:27:49,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:27:49,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:27:49,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:27:49,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:27:49,599 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:27:49,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:27:49,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:27:49,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:27:49,600 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:27:49,600 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:27:49,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:27:49,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:27:49,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:27:49,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:27:49,671 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:27:49,672 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-09-19 08:27:50,053 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bdfe6636/6a92ff6a26bb44b2abe8dd9ed768ee80/FLAGb1f692b47 [2018-09-19 08:27:50,427 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:27:50,434 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-09-19 08:27:50,450 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bdfe6636/6a92ff6a26bb44b2abe8dd9ed768ee80/FLAGb1f692b47 [2018-09-19 08:27:50,477 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bdfe6636/6a92ff6a26bb44b2abe8dd9ed768ee80 [2018-09-19 08:27:50,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:27:50,497 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:27:50,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:27:50,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:27:50,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:27:50,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:27:50" (1/1) ... [2018-09-19 08:27:50,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc48bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:50, skipping insertion in model container [2018-09-19 08:27:50,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:27:50" (1/1) ... [2018-09-19 08:27:50,526 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:27:51,004 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:27:51,029 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:27:51,164 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:27:51,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51 WrapperNode [2018-09-19 08:27:51,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:27:51,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:27:51,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:27:51,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:27:51,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:27:51,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:27:51,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:27:51,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:27:51,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (1/1) ... [2018-09-19 08:27:51,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:27:51,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:27:51,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:27:51,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:27:51,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (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 08:27:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:27:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:27:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 08:27:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 08:27:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:27:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:27:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:27:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:27:55,325 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:27:55,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:27:55 BoogieIcfgContainer [2018-09-19 08:27:55,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:27:55,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:27:55,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:27:55,332 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:27:55,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:27:50" (1/3) ... [2018-09-19 08:27:55,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7593e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:27:55, skipping insertion in model container [2018-09-19 08:27:55,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:27:51" (2/3) ... [2018-09-19 08:27:55,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7593e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:27:55, skipping insertion in model container [2018-09-19 08:27:55,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:27:55" (3/3) ... [2018-09-19 08:27:55,337 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label40_true-unreach-call_false-termination.c [2018-09-19 08:27:55,349 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:27:55,362 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:27:55,436 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:27:55,437 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:27:55,438 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:27:55,438 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:27:55,438 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:27:55,438 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:27:55,439 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:27:55,439 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:27:55,439 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:27:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-19 08:27:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-19 08:27:55,489 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:27:55,491 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] [2018-09-19 08:27:55,493 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:27:55,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1390549688, now seen corresponding path program 1 times [2018-09-19 08:27:55,503 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:27:55,504 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 97 with the following transitions: [2018-09-19 08:27:55,508 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-19 08:27:55,591 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:27:55,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:28:10,515 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:28:10,517 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-19 08:28:10,552 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:28:12,876 INFO L232 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 80.58% of their original sizes. [2018-09-19 08:28:12,877 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:28:13,998 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:28:14,000 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:28:14,001 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 08:28:14,001 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:28:14,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 08:28:14,023 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 08:28:14,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-19 08:28:14,029 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-19 08:28:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:28:18,172 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-19 08:28:18,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 08:28:18,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2018-09-19 08:28:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:28:18,195 INFO L225 Difference]: With dead ends: 622 [2018-09-19 08:28:18,196 INFO L226 Difference]: Without dead ends: 383 [2018-09-19 08:28:18,204 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:28:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-19 08:28:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-19 08:28:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-19 08:28:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-19 08:28:18,292 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 96 [2018-09-19 08:28:18,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:28:18,293 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-19 08:28:18,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 08:28:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-19 08:28:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-19 08:28:18,300 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:28:18,301 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 08:28:18,301 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:28:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1219130215, now seen corresponding path program 1 times [2018-09-19 08:28:18,302 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:28:18,302 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-09-19 08:28:18,303 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:28:18,312 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:28:18,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:28:45,624 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:28:45,625 INFO L272 AbstractInterpreter]: Visited 99 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 08:28:45,635 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:28:47,638 INFO L232 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 80.64% of their original sizes. [2018-09-19 08:28:47,639 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:28:48,518 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:28:48,518 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:28:48,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:28:48,519 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:28:48,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:28:48,521 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:28:48,521 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:28:48,523 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 14 states. [2018-09-19 08:28:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:28:59,124 INFO L93 Difference]: Finished difference Result 910 states and 1354 transitions. [2018-09-19 08:28:59,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 08:28:59,128 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 106 [2018-09-19 08:28:59,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:28:59,136 INFO L225 Difference]: With dead ends: 910 [2018-09-19 08:28:59,136 INFO L226 Difference]: Without dead ends: 536 [2018-09-19 08:28:59,142 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2018-09-19 08:28:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-09-19 08:28:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 528. [2018-09-19 08:28:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-09-19 08:28:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 701 transitions. [2018-09-19 08:28:59,199 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 701 transitions. Word has length 106 [2018-09-19 08:28:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:28:59,200 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 701 transitions. [2018-09-19 08:28:59,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:28:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 701 transitions. [2018-09-19 08:28:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-19 08:28:59,204 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:28:59,205 INFO L376 BasicCegarLoop]: trace histogram [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, 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 08:28:59,205 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:28:59,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1124965487, now seen corresponding path program 1 times [2018-09-19 08:28:59,206 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:28:59,206 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-09-19 08:28:59,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:28:59,213 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:28:59,213 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:29:25,447 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:29:25,448 INFO L272 AbstractInterpreter]: Visited 99 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 08:29:25,456 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:29:27,053 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 80.63% of their original sizes. [2018-09-19 08:29:27,054 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:29:28,615 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:29:28,615 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:29:28,616 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:29:28,616 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:29:28,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:29:28,617 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:29:28,617 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:29:28,617 INFO L87 Difference]: Start difference. First operand 528 states and 701 transitions. Second operand 14 states. [2018-09-19 08:29:36,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:29:36,507 INFO L93 Difference]: Finished difference Result 1208 states and 1697 transitions. [2018-09-19 08:29:36,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-19 08:29:36,509 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2018-09-19 08:29:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:29:36,521 INFO L225 Difference]: With dead ends: 1208 [2018-09-19 08:29:36,522 INFO L226 Difference]: Without dead ends: 686 [2018-09-19 08:29:36,525 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 123 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2018-09-19 08:29:36,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-09-19 08:29:36,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 676. [2018-09-19 08:29:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-09-19 08:29:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 881 transitions. [2018-09-19 08:29:36,590 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 881 transitions. Word has length 110 [2018-09-19 08:29:36,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:29:36,590 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 881 transitions. [2018-09-19 08:29:36,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:29:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 881 transitions. [2018-09-19 08:29:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-19 08:29:36,598 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:29:36,599 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-09-19 08:29:36,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:29:36,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1071417084, now seen corresponding path program 1 times [2018-09-19 08:29:36,600 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:29:36,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-09-19 08:29:36,600 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:29:36,609 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:29:36,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:30:17,826 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:30:17,826 INFO L272 AbstractInterpreter]: Visited 100 different actions 292 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 08:30:17,835 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:30:19,566 INFO L232 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 80.68% of their original sizes. [2018-09-19 08:30:19,567 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:30:20,341 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:30:20,342 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:30:20,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:30:20,342 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:30:20,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:30:20,343 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:30:20,344 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:30:20,344 INFO L87 Difference]: Start difference. First operand 676 states and 881 transitions. Second operand 14 states. [2018-09-19 08:30:30,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:30:30,067 INFO L93 Difference]: Finished difference Result 1577 states and 2188 transitions. [2018-09-19 08:30:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 08:30:30,075 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 115 [2018-09-19 08:30:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:30:30,080 INFO L225 Difference]: With dead ends: 1577 [2018-09-19 08:30:30,081 INFO L226 Difference]: Without dead ends: 907 [2018-09-19 08:30:30,083 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 130 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-09-19 08:30:30,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-09-19 08:30:30,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 886. [2018-09-19 08:30:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-09-19 08:30:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1117 transitions. [2018-09-19 08:30:30,119 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1117 transitions. Word has length 115 [2018-09-19 08:30:30,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:30:30,119 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1117 transitions. [2018-09-19 08:30:30,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:30:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1117 transitions. [2018-09-19 08:30:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-19 08:30:30,123 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:30:30,123 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-09-19 08:30:30,123 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:30:30,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1566913315, now seen corresponding path program 1 times [2018-09-19 08:30:30,124 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:30:30,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-09-19 08:30:30,124 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:30:30,128 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:30:30,128 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:31:22,804 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:31:22,804 INFO L272 AbstractInterpreter]: Visited 101 different actions 404 times. Merged at 8 different actions 33 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 08:31:22,811 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:31:24,344 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.71% of their original sizes. [2018-09-19 08:31:24,345 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:31:25,043 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:31:25,044 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:31:25,044 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:31:25,044 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:31:25,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:31:25,045 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:31:25,045 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:31:25,045 INFO L87 Difference]: Start difference. First operand 886 states and 1117 transitions. Second operand 14 states. [2018-09-19 08:31:35,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:31:35,191 INFO L93 Difference]: Finished difference Result 2074 states and 2748 transitions. [2018-09-19 08:31:35,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 08:31:35,193 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 129 [2018-09-19 08:31:35,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:31:35,201 INFO L225 Difference]: With dead ends: 2074 [2018-09-19 08:31:35,201 INFO L226 Difference]: Without dead ends: 1194 [2018-09-19 08:31:35,206 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2018-09-19 08:31:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2018-09-19 08:31:35,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1159. [2018-09-19 08:31:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2018-09-19 08:31:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1430 transitions. [2018-09-19 08:31:35,260 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1430 transitions. Word has length 129 [2018-09-19 08:31:35,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:31:35,261 INFO L480 AbstractCegarLoop]: Abstraction has 1159 states and 1430 transitions. [2018-09-19 08:31:35,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:31:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1430 transitions. [2018-09-19 08:31:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-19 08:31:35,265 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:31:35,265 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:31:35,265 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:31:35,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1171886345, now seen corresponding path program 1 times [2018-09-19 08:31:35,266 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:31:35,266 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-09-19 08:31:35,267 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 08:31:35,272 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:31:35,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:32:19,142 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:32:19,143 INFO L272 AbstractInterpreter]: Visited 100 different actions 292 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 08:32:19,147 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 08:32:20,528 INFO L232 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 80.66% of their original sizes. [2018-09-19 08:32:20,529 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:32:20,545 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 08:32:20,550 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 08:32:20,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:32:20 BoogieIcfgContainer [2018-09-19 08:32:20,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:32:20,551 INFO L168 Benchmark]: Toolchain (without parser) took 270058.07 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 271.5 MB. Max. memory is 7.1 GB. [2018-09-19 08:32:20,553 INFO L168 Benchmark]: CDTParser took 0.31 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 08:32:20,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.14 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:32:20,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 08:32:20,554 INFO L168 Benchmark]: Boogie Preprocessor took 269.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-09-19 08:32:20,555 INFO L168 Benchmark]: RCFGBuilder took 3714.78 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: 126.1 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2018-09-19 08:32:20,556 INFO L168 Benchmark]: TraceAbstraction took 265222.63 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 726.7 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -541.9 MB). Peak memory consumption was 184.8 MB. Max. memory is 7.1 GB. [2018-09-19 08:32:20,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 726.14 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3714.78 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: 126.1 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 265222.63 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 726.7 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -541.9 MB). Peak memory consumption was 184.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 439]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 439). Cancelled while BasicCegarLoop was analyzing trace of length 134 with TraceHistMax 3, 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, 237 locations, 1 error locations. TIMEOUT Result, 265.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 42.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1131 SDtfs, 5441 SDslu, 2037 SDs, 0 SdLazy, 9539 SolverSat, 1079 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 616 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1159occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 206.4s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9925637088116879 AbsIntWeakeningRatio, 0.2635431918008785 AbsIntAvgWeakeningVarsNumRemoved, 2395.4612005856516 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 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/Problem02_label40_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-32-20-575.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label40_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-32-20-575.csv Completed graceful shutdown