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/Problem13_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:31:14,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:31:14,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:31:14,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:31:14,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:31:14,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:31:14,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:31:14,325 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:31:14,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:31:14,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:31:14,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:31:14,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:31:14,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:31:14,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:31:14,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:31:14,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:31:14,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:31:14,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:31:14,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:31:14,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:31:14,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:31:14,341 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:31:14,343 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:31:14,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:31:14,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:31:14,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:31:14,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:31:14,347 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:31:14,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:31:14,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:31:14,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:31:14,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:31:14,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:31:14,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:31:14,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:31:14,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:31:14,355 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 10:31:14,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:31:14,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:31:14,381 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:31:14,385 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:31:14,385 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:31:14,385 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:31:14,385 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:31:14,386 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:31:14,386 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:31:14,386 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:31:14,386 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:31:14,386 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:31:14,387 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:31:14,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:31:14,388 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:31:14,388 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:31:14,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:31:14,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:31:14,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:31:14,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:31:14,389 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:31:14,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:31:14,390 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:31:14,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:31:14,390 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:31:14,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:31:14,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:31:14,391 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:31:14,391 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:31:14,391 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:31:14,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:31:14,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:31:14,392 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:31:14,392 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:31:14,392 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:31:14,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:31:14,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:31:14,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:31:14,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:31:14,463 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:31:14,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-19 10:31:14,826 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a5e91ab/57425f564b0b441ab9dacb082380ffcb/FLAGbdcc42ed0 [2018-09-19 10:31:15,362 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:31:15,363 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-19 10:31:15,395 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a5e91ab/57425f564b0b441ab9dacb082380ffcb/FLAGbdcc42ed0 [2018-09-19 10:31:15,411 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a5e91ab/57425f564b0b441ab9dacb082380ffcb [2018-09-19 10:31:15,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:31:15,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:31:15,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:31:15,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:31:15,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:31:15,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:31:15" (1/1) ... [2018-09-19 10:31:15,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3665023a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:15, skipping insertion in model container [2018-09-19 10:31:15,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:31:15" (1/1) ... [2018-09-19 10:31:15,452 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:31:16,905 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:31:16,924 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:31:17,644 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:31:18,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18 WrapperNode [2018-09-19 10:31:18,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:31:18,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:31:18,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:31:18,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:31:18,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:18,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:18,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:31:18,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:31:18,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:31:18,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:31:19,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (1/1) ... [2018-09-19 10:31:19,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:31:19,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:31:19,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:31:19,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:31:19,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (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 10:31:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:31:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 10:31:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 10:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 10:31:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 10:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 10:31:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 10:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:31:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:31:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:31:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:31:30,846 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:31:30,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:31:30 BoogieIcfgContainer [2018-09-19 10:31:30,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:31:30,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:31:30,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:31:30,852 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:31:30,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:31:15" (1/3) ... [2018-09-19 10:31:30,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e3ae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:31:30, skipping insertion in model container [2018-09-19 10:31:30,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:18" (2/3) ... [2018-09-19 10:31:30,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e3ae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:31:30, skipping insertion in model container [2018-09-19 10:31:30,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:31:30" (3/3) ... [2018-09-19 10:31:30,855 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label18_true-unreach-call.c [2018-09-19 10:31:30,864 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:31:30,873 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:31:30,951 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:31:30,951 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:31:30,952 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:31:30,952 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:31:30,952 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:31:30,952 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:31:30,952 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:31:30,952 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:31:30,953 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:31:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 10:31:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-19 10:31:31,018 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:31:31,019 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] [2018-09-19 10:31:31,020 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:31:31,024 INFO L82 PathProgramCache]: Analyzing trace with hash -856257052, now seen corresponding path program 1 times [2018-09-19 10:31:31,027 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:31:31,028 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 71 with the following transitions: [2018-09-19 10:31:31,030 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3087], [3089], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 10:31:31,091 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:31:31,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:31:33,247 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:31:33,249 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 10:31:33,279 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:31:34,304 INFO L232 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 73.8% of their original sizes. [2018-09-19 10:31:34,305 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:31:34,650 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:31:34,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:31:34,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:31:34,652 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:31:34,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:31:34,665 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:31:34,666 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:31:34,669 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 10:31:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:31:55,677 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 10:31:55,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:31:55,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-09-19 10:31:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:31:55,718 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 10:31:55,718 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 10:31:55,730 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:31:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 10:31:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 10:31:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 10:31:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 10:31:55,916 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 70 [2018-09-19 10:31:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:31:55,920 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 10:31:55,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:31:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 10:31:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-19 10:31:55,931 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:31:55,932 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, 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] [2018-09-19 10:31:55,932 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:31:55,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1819146280, now seen corresponding path program 1 times [2018-09-19 10:31:55,933 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:31:55,933 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-09-19 10:31:55,934 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3087], [3089], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:31:55,943 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:31:55,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:32:08,263 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:32:08,263 INFO L272 AbstractInterpreter]: Visited 108 different actions 311 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:32:08,274 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:32:09,808 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 72.08% of their original sizes. [2018-09-19 10:32:09,808 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:32:10,628 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:32:10,629 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:32:10,629 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:32:10,629 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:32:10,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:32:10,631 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:32:10,631 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:32:10,631 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 10:33:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:33:05,325 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 10:33:05,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:33:05,326 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2018-09-19 10:33:05,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:33:05,340 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 10:33:05,340 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 10:33:05,345 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 10:33:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 10:33:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 10:33:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 10:33:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 10:33:05,425 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 171 [2018-09-19 10:33:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:33:05,426 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 10:33:05,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:33:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 10:33:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-19 10:33:05,430 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:33:05,431 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, 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, 1] [2018-09-19 10:33:05,431 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:33:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1344418591, now seen corresponding path program 1 times [2018-09-19 10:33:05,432 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:33:05,432 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-09-19 10:33:05,432 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3087], [3089], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:33:05,439 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:33:05,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:33:15,529 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:33:20,637 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:33:20,638 INFO L272 AbstractInterpreter]: Visited 137 different actions 398 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:33:20,659 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:33:22,430 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 71.89% of their original sizes. [2018-09-19 10:33:22,430 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:33:23,121 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:33:23,121 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:33:23,122 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:33:23,122 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:33:23,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:33:23,123 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:33:23,123 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:33:23,124 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 13 states. [2018-09-19 10:34:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:34:51,475 INFO L93 Difference]: Finished difference Result 5542 states and 9047 transitions. [2018-09-19 10:34:51,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 10:34:51,476 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 200 [2018-09-19 10:34:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:34:51,495 INFO L225 Difference]: With dead ends: 5542 [2018-09-19 10:34:51,496 INFO L226 Difference]: Without dead ends: 4432 [2018-09-19 10:34:51,501 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-09-19 10:34:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2018-09-19 10:34:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4345. [2018-09-19 10:34:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2018-09-19 10:34:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5317 transitions. [2018-09-19 10:34:51,622 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5317 transitions. Word has length 200 [2018-09-19 10:34:51,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:34:51,622 INFO L480 AbstractCegarLoop]: Abstraction has 4345 states and 5317 transitions. [2018-09-19 10:34:51,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:34:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5317 transitions. [2018-09-19 10:34:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 10:34:51,628 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:34:51,628 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-19 10:34:51,629 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:34:51,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1287875260, now seen corresponding path program 1 times [2018-09-19 10:34:51,629 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:34:51,629 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 10:34:51,630 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3087], [3089], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:34:51,636 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:34:51,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:34:58,208 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:35:05,778 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:35:05,779 INFO L272 AbstractInterpreter]: Visited 109 different actions 423 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:35:05,785 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:35:07,323 INFO L232 lantSequenceWeakener]: Weakened 263 states. On average, predicates are now at 71.66% of their original sizes. [2018-09-19 10:35:07,323 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:35:07,676 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:35:07,677 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:35:07,677 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:35:07,677 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:35:07,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:35:07,678 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:35:07,678 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:35:07,678 INFO L87 Difference]: Start difference. First operand 4345 states and 5317 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 10:35:32,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:35:32,151 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:35:32,157 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:35:32,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:35:32 BoogieIcfgContainer [2018-09-19 10:35:32,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:35:32,158 INFO L168 Benchmark]: Toolchain (without parser) took 256735.20 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -608.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,160 INFO L168 Benchmark]: CDTParser took 0.19 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 10:35:32,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2594.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 322.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,162 INFO L168 Benchmark]: Boogie Preprocessor took 1162.47 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,163 INFO L168 Benchmark]: RCFGBuilder took 11340.15 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 158.3 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -19.0 MB). Peak memory consumption was 752.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,164 INFO L168 Benchmark]: TraceAbstraction took 241309.13 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 360.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-19 10:35:32,169 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 2594.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 322.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1162.47 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11340.15 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 158.3 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -19.0 MB). Peak memory consumption was 752.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241309.13 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 360.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 201]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 201). Cancelled while BasicCegarLoop was constructing difference of abstraction (4345states) and FLOYD_HOARE automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (4374 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 241.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 188.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4499 SDtfs, 9715 SDslu, 4076 SDs, 0 SdLazy, 45579 SolverSat, 3624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 173.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 729 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4345occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 43.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9949154430564684 AbsIntWeakeningRatio, 0.11965811965811966 AbsIntAvgWeakeningVarsNumRemoved, 1033.7435897435898 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 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/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-35-32-188.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-35-32-188.csv Completed graceful shutdown