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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:38:45,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:38:45,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:38:45,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:38:45,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:38:45,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:38:45,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:38:45,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:38:45,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:38:45,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:38:45,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:38:45,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:38:45,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:38:45,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:38:45,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:38:45,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:38:45,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:38:45,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:38:45,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:38:45,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:38:45,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:38:45,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:38:45,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:38:45,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:38:45,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:38:45,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:38:45,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:38:45,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:38:45,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:38:45,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:38:45,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:38:45,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 01:38:45,452 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 01:38:45,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:38:45,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:38:45,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:38:45,480 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:38:45,480 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:38:45,480 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:38:45,481 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:38:45,481 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:38:45,481 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:38:45,481 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:38:45,481 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:38:45,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:38:45,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:38:45,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:38:45,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:38:45,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:38:45,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:38:45,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:38:45,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:38:45,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:38:45,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:38:45,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:38:45,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:38:45,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:38:45,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:38:45,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:38:45,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:38:45,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:38:45,490 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:38:45,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:38:45,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:38:45,491 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:38:45,491 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:38:45,492 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:38:45,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:38:45,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:38:45,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:38:45,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:38:45,566 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:38:45,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-09-19 01:38:45,907 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc658300/30aec21dee554446a1a9a23c3cddaafa/FLAG05f26d6f4 [2018-09-19 01:38:46,159 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:38:46,160 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-09-19 01:38:46,179 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc658300/30aec21dee554446a1a9a23c3cddaafa/FLAG05f26d6f4 [2018-09-19 01:38:46,196 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc658300/30aec21dee554446a1a9a23c3cddaafa [2018-09-19 01:38:46,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:38:46,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:38:46,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:46,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:38:46,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:38:46,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:46,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37de77e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46, skipping insertion in model container [2018-09-19 01:38:46,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:46,234 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:38:46,756 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:46,782 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:38:46,916 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:46,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46 WrapperNode [2018-09-19 01:38:46,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:46,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:46,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:38:46,968 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:38:46,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:47,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:38:47,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:38:47,086 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:38:47,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:47,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:38:47,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:38:47,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:38:47,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:38:47,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (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 01:38:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:38:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:38:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:38:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:38:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:38:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:38:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:38:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:38:50,884 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:38:50,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:50 BoogieIcfgContainer [2018-09-19 01:38:50,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:38:50,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:38:50,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:38:50,891 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:38:50,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:38:46" (1/3) ... [2018-09-19 01:38:50,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2dca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:50, skipping insertion in model container [2018-09-19 01:38:50,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46" (2/3) ... [2018-09-19 01:38:50,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2dca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:50, skipping insertion in model container [2018-09-19 01:38:50,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:50" (3/3) ... [2018-09-19 01:38:50,895 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label36_true-unreach-call_false-termination.c [2018-09-19 01:38:50,906 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:38:50,916 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:38:50,993 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:38:50,994 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:38:50,994 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:38:50,995 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:38:50,995 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:38:50,995 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:38:50,996 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:38:50,996 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:38:50,996 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:38:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 01:38:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-19 01:38:51,066 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:38:51,068 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:38:51,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:38:51,078 INFO L82 PathProgramCache]: Analyzing trace with hash 554006597, now seen corresponding path program 1 times [2018-09-19 01:38:51,081 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:38:51,083 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-09-19 01:38:51,086 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], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 01:38:51,211 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:38:51,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:39:10,209 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:39:10,211 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 01:39:10,226 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:39:12,832 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 01:39:12,833 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:39:14,249 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:39:14,251 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:39:14,251 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:39:14,252 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:39:14,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:39:14,268 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:39:14,269 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:39:14,274 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 01:39:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:39:20,324 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 01:39:20,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 01:39:20,326 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2018-09-19 01:39:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:39:20,341 INFO L225 Difference]: With dead ends: 475 [2018-09-19 01:39:20,342 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 01:39:20,348 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 01:39:20,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 01:39:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 01:39:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 01:39:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 01:39:20,422 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 109 [2018-09-19 01:39:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:39:20,423 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 01:39:20,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:39:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 01:39:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-19 01:39:20,440 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:39:20,441 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:39:20,441 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:39:20,445 INFO L82 PathProgramCache]: Analyzing trace with hash -408996798, now seen corresponding path program 1 times [2018-09-19 01:39:20,445 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:39:20,445 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-09-19 01:39:20,446 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], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:39:20,460 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:39:20,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:40:01,233 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:40:01,234 INFO L272 AbstractInterpreter]: Visited 112 different actions 177 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 01:40:01,270 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:40:04,550 INFO L232 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 80.49% of their original sizes. [2018-09-19 01:40:04,551 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:40:05,729 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:40:05,730 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:40:05,730 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:40:05,730 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:40:05,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:40:05,732 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:40:05,733 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:40:05,733 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 01:40:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:40:12,359 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 01:40:12,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:40:12,363 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 118 [2018-09-19 01:40:12,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:40:12,369 INFO L225 Difference]: With dead ends: 608 [2018-09-19 01:40:12,369 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 01:40:12,372 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 132 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:40:12,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 01:40:12,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 01:40:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 01:40:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 01:40:12,408 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 118 [2018-09-19 01:40:12,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:40:12,409 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 01:40:12,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:40:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 01:40:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-19 01:40:12,413 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:40:12,414 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:40:12,414 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:40:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1981607182, now seen corresponding path program 1 times [2018-09-19 01:40:12,415 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:40:12,415 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 122 with the following transitions: [2018-09-19 01:40:12,415 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], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:40:12,421 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:40:12,421 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:40:50,405 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:40:50,406 INFO L272 AbstractInterpreter]: Visited 112 different actions 176 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 01:40:50,410 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:40:53,720 INFO L232 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 80.48% of their original sizes. [2018-09-19 01:40:53,720 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:40:54,869 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:40:54,870 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:40:54,870 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 01:40:54,870 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:40:54,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 01:40:54,871 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 01:40:54,871 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-09-19 01:40:54,872 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 13 states. [2018-09-19 01:41:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:41:04,484 INFO L93 Difference]: Finished difference Result 953 states and 1546 transitions. [2018-09-19 01:41:04,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-19 01:41:04,487 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2018-09-19 01:41:04,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:41:04,495 INFO L225 Difference]: With dead ends: 953 [2018-09-19 01:41:04,495 INFO L226 Difference]: Without dead ends: 755 [2018-09-19 01:41:04,497 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2018-09-19 01:41:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-09-19 01:41:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 747. [2018-09-19 01:41:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-09-19 01:41:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 919 transitions. [2018-09-19 01:41:04,548 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 919 transitions. Word has length 121 [2018-09-19 01:41:04,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:41:04,548 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 919 transitions. [2018-09-19 01:41:04,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 01:41:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 919 transitions. [2018-09-19 01:41:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-19 01:41:04,552 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:41:04,553 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:41:04,553 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:41:04,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1796230197, now seen corresponding path program 1 times [2018-09-19 01:41:04,554 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:41:04,554 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2018-09-19 01:41:04,554 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], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:41:04,560 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:41:04,560 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:42:09,363 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:42:09,364 INFO L272 AbstractInterpreter]: Visited 113 different actions 293 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 01:42:09,374 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:42:12,247 INFO L232 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 80.49% of their original sizes. [2018-09-19 01:42:12,247 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:42:12,833 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:42:12,834 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:42:12,834 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 01:42:12,834 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:42:12,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 01:42:12,836 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 01:42:12,836 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 01:42:12,836 INFO L87 Difference]: Start difference. First operand 747 states and 919 transitions. Second operand 11 states. [2018-09-19 01:42:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:42:24,217 INFO L93 Difference]: Finished difference Result 1471 states and 1928 transitions. [2018-09-19 01:42:24,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-19 01:42:24,217 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-09-19 01:42:24,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:42:24,225 INFO L225 Difference]: With dead ends: 1471 [2018-09-19 01:42:24,225 INFO L226 Difference]: Without dead ends: 929 [2018-09-19 01:42:24,227 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2018-09-19 01:42:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2018-09-19 01:42:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 915. [2018-09-19 01:42:24,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2018-09-19 01:42:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1106 transitions. [2018-09-19 01:42:24,278 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1106 transitions. Word has length 130 [2018-09-19 01:42:24,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:42:24,278 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1106 transitions. [2018-09-19 01:42:24,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 01:42:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1106 transitions. [2018-09-19 01:42:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-19 01:42:24,282 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:42:24,283 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:42:24,283 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:42:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash -172925650, now seen corresponding path program 1 times [2018-09-19 01:42:24,284 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:42:24,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-09-19 01:42:24,284 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], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:42:24,289 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:42:24,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:43:03,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:43:03,556 INFO L272 AbstractInterpreter]: Visited 112 different actions 177 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 01:43:03,561 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:43:06,639 INFO L232 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 80.38% of their original sizes. [2018-09-19 01:43:06,640 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:43:08,389 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:43:08,389 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:43:08,390 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-19 01:43:08,390 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:43:08,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-19 01:43:08,390 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-19 01:43:08,391 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2018-09-19 01:43:08,391 INFO L87 Difference]: Start difference. First operand 915 states and 1106 transitions. Second operand 19 states. Received shutdown request... [2018-09-19 01:43:11,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 01:43:11,687 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:43:11,694 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:43:11,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:43:11 BoogieIcfgContainer [2018-09-19 01:43:11,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:43:11,696 INFO L168 Benchmark]: Toolchain (without parser) took 265489.12 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -577.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 01:43:11,698 INFO L168 Benchmark]: CDTParser took 0.21 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 01:43:11,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.38 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:11,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.15 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 01:43:11,700 INFO L168 Benchmark]: Boogie Preprocessor took 193.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:11,701 INFO L168 Benchmark]: RCFGBuilder took 3606.18 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: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:11,702 INFO L168 Benchmark]: TraceAbstraction took 260808.05 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-19 01:43:11,707 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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. * CACSL2BoogieTranslator took 756.38 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 117.15 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 193.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3606.18 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: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260808.05 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 482]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 482). Cancelled while BasicCegarLoop was constructing difference of abstraction (915states) and FLOYD_HOARE automaton (currently 19 states, 19 states before enhancement), while ReachableStatesComputation was computing reachable states (274 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 260.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 37.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 945 SDtfs, 3417 SDslu, 1261 SDs, 0 SdLazy, 6978 SolverSat, 772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.0s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 690 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=915occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 202.0s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9940633934155283 AbsIntWeakeningRatio, 0.23237179487179488 AbsIntAvgWeakeningVarsNumRemoved, 2791.540064102564 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 29 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_label36_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-43-11-723.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label36_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-43-11-723.csv Completed graceful shutdown