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_label43_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:38:49,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:38:49,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:38:49,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:38:49,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:38:49,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:38:49,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:38:49,240 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:38:49,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:38:49,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:38:49,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:38:49,248 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:38:49,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:38:49,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:38:49,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:38:49,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:38:49,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:38:49,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:38:49,270 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:38:49,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:38:49,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:38:49,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:38:49,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:38:49,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:38:49,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:38:49,282 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:38:49,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:38:49,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:38:49,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:38:49,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:38:49,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:38:49,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 01:38:49,293 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 01:38:49,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:38:49,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:38:49,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:38:49,319 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:38:49,319 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:38:49,319 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:38:49,319 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:38:49,320 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:38:49,320 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:38:49,320 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:38:49,320 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:38:49,321 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:38:49,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:38:49,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:38:49,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:38:49,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:38:49,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:38:49,324 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:38:49,324 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:38:49,324 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:38:49,324 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:38:49,325 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:38:49,325 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:38:49,325 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:38:49,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:38:49,326 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:38:49,326 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:38:49,326 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:38:49,326 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:38:49,326 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:38:49,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:38:49,327 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:38:49,327 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:38:49,327 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:38:49,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:38:49,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:38:49,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:38:49,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:38:49,403 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:38:49,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-09-19 01:38:49,755 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d210b5f/166d48cb980b452597c15b8fcb826da0/FLAG6b9b4dfb9 [2018-09-19 01:38:50,062 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:38:50,065 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-09-19 01:38:50,099 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d210b5f/166d48cb980b452597c15b8fcb826da0/FLAG6b9b4dfb9 [2018-09-19 01:38:50,116 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d210b5f/166d48cb980b452597c15b8fcb826da0 [2018-09-19 01:38:50,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:38:50,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:38:50,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:50,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:38:50,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:38:50,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:50,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423cff25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50, skipping insertion in model container [2018-09-19 01:38:50,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:50,157 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:38:50,733 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:50,750 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:38:50,880 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:50,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50 WrapperNode [2018-09-19 01:38:50,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:50,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:50,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:38:50,924 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:38:50,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:50,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:51,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:38:51,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:38:51,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:38:51,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (1/1) ... [2018-09-19 01:38:51,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:38:51,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:38:51,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:38:51,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:38:51,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (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 01:38:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:38:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:38:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:38:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:38:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:38:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:38:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:38:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:38:55,038 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:38:55,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:55 BoogieIcfgContainer [2018-09-19 01:38:55,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:38:55,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:38:55,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:38:55,047 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:38:55,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:38:50" (1/3) ... [2018-09-19 01:38:55,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795c2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:55, skipping insertion in model container [2018-09-19 01:38:55,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:50" (2/3) ... [2018-09-19 01:38:55,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795c2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:55, skipping insertion in model container [2018-09-19 01:38:55,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:55" (3/3) ... [2018-09-19 01:38:55,053 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label43_true-unreach-call_false-termination.c [2018-09-19 01:38:55,065 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:38:55,077 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:38:55,140 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:38:55,141 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:38:55,141 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:38:55,141 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:38:55,141 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:38:55,142 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:38:55,142 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:38:55,142 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:38:55,142 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:38:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 01:38:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-19 01:38:55,188 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:38:55,189 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, 1, 1, 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 01:38:55,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:38:55,197 INFO L82 PathProgramCache]: Analyzing trace with hash -728863603, now seen corresponding path program 1 times [2018-09-19 01:38:55,200 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:38:55,201 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-09-19 01:38:55,205 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], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 01:38:55,292 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:38:55,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:39:14,969 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:39:14,971 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 01:39:14,996 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:39:17,312 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 01:39:17,312 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:39:18,773 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:39:18,775 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:39:18,775 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:39:18,775 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:39:18,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:39:18,787 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:39:18,787 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:39:18,790 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 01:39:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:39:26,302 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 01:39:26,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 01:39:26,304 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2018-09-19 01:39:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:39:26,320 INFO L225 Difference]: With dead ends: 475 [2018-09-19 01:39:26,320 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 01:39:26,327 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 124 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 01:39:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 01:39:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 01:39:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 01:39:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 01:39:26,401 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 135 [2018-09-19 01:39:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:39:26,403 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 01:39:26,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:39:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 01:39:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-19 01:39:26,409 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:39:26,409 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, 1, 1, 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 01:39:26,410 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:39:26,411 INFO L82 PathProgramCache]: Analyzing trace with hash -96340406, now seen corresponding path program 1 times [2018-09-19 01:39:26,411 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:39:26,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-09-19 01:39:26,412 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], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:39:26,426 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:39:26,426 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:40:16,395 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:40:16,395 INFO L272 AbstractInterpreter]: Visited 138 different actions 203 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 01:40:16,401 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:40:19,326 INFO L232 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 80.86% of their original sizes. [2018-09-19 01:40:19,327 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:40:20,567 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:40:20,568 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:40:20,568 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:40:20,568 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:40:20,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:40:20,569 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:40:20,570 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:40:20,570 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 01:40:30,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:40:30,700 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 01:40:30,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:40:30,704 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 144 [2018-09-19 01:40:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:40:30,710 INFO L225 Difference]: With dead ends: 608 [2018-09-19 01:40:30,710 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 01:40:30,719 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:40:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 01:40:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 01:40:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 01:40:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 01:40:30,772 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 144 [2018-09-19 01:40:30,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:40:30,773 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 01:40:30,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:40:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 01:40:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-19 01:40:30,779 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:40:30,779 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, 1, 1, 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 01:40:30,780 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:40:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash 856152314, now seen corresponding path program 1 times [2018-09-19 01:40:30,780 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:40:30,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-09-19 01:40:30,781 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], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:40:30,790 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:40:30,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:41:21,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:41:21,212 INFO L272 AbstractInterpreter]: Visited 138 different actions 202 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 01:41:21,217 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:41:23,809 INFO L232 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 80.84% of their original sizes. [2018-09-19 01:41:23,809 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:41:24,882 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:41:24,883 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:41:24,884 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:41:24,884 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:41:24,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:41:24,885 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:41:24,885 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:41:24,886 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 14 states. [2018-09-19 01:41:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:41:38,454 INFO L93 Difference]: Finished difference Result 1242 states and 2111 transitions. [2018-09-19 01:41:38,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 01:41:38,456 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 147 [2018-09-19 01:41:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:41:38,466 INFO L225 Difference]: With dead ends: 1242 [2018-09-19 01:41:38,467 INFO L226 Difference]: Without dead ends: 1044 [2018-09-19 01:41:38,475 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 127 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=1110, Unknown=0, NotChecked=0, Total=1406 [2018-09-19 01:41:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-09-19 01:41:38,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1033. [2018-09-19 01:41:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-09-19 01:41:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1227 transitions. [2018-09-19 01:41:38,535 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1227 transitions. Word has length 147 [2018-09-19 01:41:38,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:41:38,536 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1227 transitions. [2018-09-19 01:41:38,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:41:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1227 transitions. [2018-09-19 01:41:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-19 01:41:38,542 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:41:38,542 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, 1, 1, 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 01:41:38,542 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:41:38,543 INFO L82 PathProgramCache]: Analyzing trace with hash -756599683, now seen corresponding path program 1 times [2018-09-19 01:41:38,543 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:41:38,543 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-09-19 01:41:38,544 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], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:41:38,550 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:41:38,550 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:43:00,480 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:43:00,480 INFO L272 AbstractInterpreter]: Visited 139 different actions 345 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 01:43:00,486 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:43:03,315 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 80.83% of their original sizes. [2018-09-19 01:43:03,316 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:43:04,176 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:43:04,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:43:04,177 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:43:04,177 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:43:04,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:43:04,178 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:43:04,178 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:43:04,179 INFO L87 Difference]: Start difference. First operand 1033 states and 1227 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 01:43:16,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-09-19 01:43:16,080 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:43:16,088 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:43:16,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:43:16 BoogieIcfgContainer [2018-09-19 01:43:16,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:43:16,089 INFO L168 Benchmark]: Toolchain (without parser) took 265961.13 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -789.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 01:43:16,091 INFO L168 Benchmark]: CDTParser took 0.16 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 01:43:16,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.56 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 01:43:16,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.66 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 01:43:16,093 INFO L168 Benchmark]: Boogie Preprocessor took 236.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:16,094 INFO L168 Benchmark]: RCFGBuilder took 3790.81 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: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:16,095 INFO L168 Benchmark]: TraceAbstraction took 261048.19 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -84.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-19 01:43:16,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 791.56 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 87.66 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 236.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3790.81 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: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261048.19 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -84.6 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: 560]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 560). Cancelled while BasicCegarLoop was constructing difference of abstraction (1033states) and FLOYD_HOARE automaton (currently 32 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (1313 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 260.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 43.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 900 SDtfs, 3017 SDslu, 1679 SDs, 0 SdLazy, 8919 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 646 GetRequests, 525 SyntacticMatches, 7 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1033occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 202.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.994871930120686 AbsIntWeakeningRatio, 0.20069204152249134 AbsIntAvgWeakeningVarsNumRemoved, 2654.1868512110727 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 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_label43_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-43-16-116.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label43_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-43-16-116.csv Completed graceful shutdown