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_label50_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:00:48,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:00:48,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:00:48,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:00:48,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:00:48,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:00:48,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:00:48,572 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:00:48,573 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:00:48,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:00:48,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:00:48,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:00:48,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:00:48,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:00:48,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:00:48,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:00:48,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:00:48,582 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:00:48,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:00:48,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:00:48,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:00:48,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:00:48,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:00:48,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:00:48,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:00:48,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:00:48,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:00:48,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:00:48,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:00:48,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:00:48,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:00:48,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:00:48,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:00:48,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:00:48,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:00:48,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:00:48,599 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 [2018-09-15 20:00:48,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:00:48,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:00:48,622 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:00:48,622 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:00:48,622 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:00:48,623 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:00:48,623 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:00:48,623 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:00:48,623 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:00:48,623 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:00:48,624 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:00:48,624 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:00:48,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:00:48,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:00:48,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:00:48,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:00:48,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:00:48,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:00:48,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:00:48,628 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:00:48,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:00:48,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:00:48,629 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:00:48,629 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:00:48,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:00:48,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:00:48,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:00:48,630 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:00:48,630 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:00:48,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:00:48,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:00:48,630 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:00:48,631 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:00:48,631 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:00:48,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:00:48,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:00:48,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:00:48,722 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:00:48,723 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:00:48,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label50_true-unreach-call.c [2018-09-15 20:00:49,096 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176846664/475f6ab564e04d8f92b0807886a8c018/FLAG9602e4c66 [2018-09-15 20:00:49,626 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:00:49,627 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label50_true-unreach-call.c [2018-09-15 20:00:49,684 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176846664/475f6ab564e04d8f92b0807886a8c018/FLAG9602e4c66 [2018-09-15 20:00:49,707 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176846664/475f6ab564e04d8f92b0807886a8c018 [2018-09-15 20:00:49,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:00:49,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:00:49,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:00:49,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:00:49,737 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:00:49,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:00:49" (1/1) ... [2018-09-15 20:00:49,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541f7e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:49, skipping insertion in model container [2018-09-15 20:00:49,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:00:49" (1/1) ... [2018-09-15 20:00:49,755 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:00:51,319 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:00:51,342 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:00:52,042 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:00:52,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52 WrapperNode [2018-09-15 20:00:52,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:00:52,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:00:52,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:00:52,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:00:52,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:52,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:00:53,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:00:53,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:00:53,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:00:53,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (1/1) ... [2018-09-15 20:00:53,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:00:53,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:00:53,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:00:53,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:00:53,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (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 [2018-09-15 20:00:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:00:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:00:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 20:00:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 20:00:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 20:00:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 20:00:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:00:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:00:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:00:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:00:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:00:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:00:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:00:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:01:05,159 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:01:05,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:01:05 BoogieIcfgContainer [2018-09-15 20:01:05,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:01:05,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:01:05,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:01:05,165 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:01:05,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:00:49" (1/3) ... [2018-09-15 20:01:05,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b32ee67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:01:05, skipping insertion in model container [2018-09-15 20:01:05,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:00:52" (2/3) ... [2018-09-15 20:01:05,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b32ee67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:01:05, skipping insertion in model container [2018-09-15 20:01:05,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:01:05" (3/3) ... [2018-09-15 20:01:05,169 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label50_true-unreach-call.c [2018-09-15 20:01:05,179 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:01:05,191 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:01:05,260 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:01:05,261 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:01:05,261 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:01:05,261 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:01:05,261 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:01:05,261 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:01:05,261 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:01:05,261 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:01:05,262 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:01:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 20:01:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-15 20:01:05,331 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:01:05,332 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] [2018-09-15 20:01:05,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:01:05,339 INFO L82 PathProgramCache]: Analyzing trace with hash -166168757, now seen corresponding path program 1 times [2018-09-15 20:01:05,342 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:01:05,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-09-15 20:01:05,346 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], [3079], [3081], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 20:01:05,428 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:01:05,429 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:01:07,669 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:01:07,671 INFO L272 AbstractInterpreter]: Visited 68 different actions 68 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 20:01:07,691 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:01:08,597 INFO L232 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 73.78% of their original sizes. [2018-09-15 20:01:08,597 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:01:08,947 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:01:08,949 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:01:08,949 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:01:08,950 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:01:08,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:01:08,963 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:01:08,964 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:01:08,967 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-15 20:01:39,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:01:39,363 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-15 20:01:39,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:01:39,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-09-15 20:01:39,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:01:39,403 INFO L225 Difference]: With dead ends: 3044 [2018-09-15 20:01:39,404 INFO L226 Difference]: Without dead ends: 1922 [2018-09-15 20:01:39,419 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:01:39,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-15 20:01:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-15 20:01:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-15 20:01:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-15 20:01:39,588 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 69 [2018-09-15 20:01:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:01:39,589 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-15 20:01:39,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:01:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-15 20:01:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-15 20:01:39,597 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:01:39,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:01:39,598 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:01:39,599 INFO L82 PathProgramCache]: Analyzing trace with hash -313369064, now seen corresponding path program 1 times [2018-09-15 20:01:39,599 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:01:39,599 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-09-15 20:01:39,600 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], [3079], [3081], [3084], [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] [2018-09-15 20:01:39,607 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:01:39,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:01:51,357 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:01:51,357 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 20:01:51,367 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:01:54,383 INFO L232 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 72.08% of their original sizes. [2018-09-15 20:01:54,383 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:01:55,049 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:01:55,049 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:01:55,050 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 20:01:55,050 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:01:55,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 20:01:55,051 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 20:01:55,052 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 20:01:55,052 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-15 20:02:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:02:49,562 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-09-15 20:02:49,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 20:02:49,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2018-09-15 20:02:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:02:49,577 INFO L225 Difference]: With dead ends: 3839 [2018-09-15 20:02:49,577 INFO L226 Difference]: Without dead ends: 2729 [2018-09-15 20:02:49,582 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 20:02:49,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-09-15 20:02:49,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-09-15 20:02:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-15 20:02:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-09-15 20:02:49,659 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 170 [2018-09-15 20:02:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:02:49,661 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-09-15 20:02:49,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 20:02:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-09-15 20:02:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-15 20:02:49,665 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:02:49,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:02:49,665 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:02:49,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1486514445, now seen corresponding path program 1 times [2018-09-15 20:02:49,666 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:02:49,666 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-15 20:02:49,666 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], [3079], [3081], [3084], [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] [2018-09-15 20:02:49,673 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:02:49,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:03:00,637 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:03:00,638 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 20:03:00,647 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:03:03,076 INFO L232 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 71.9% of their original sizes. [2018-09-15 20:03:03,077 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:03:03,750 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:03:03,750 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:03:03,750 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 20:03:03,751 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:03:03,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 20:03:03,752 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 20:03:03,752 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 20:03:03,752 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-09-15 20:03:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:03:52,611 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-09-15 20:03:52,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 20:03:52,612 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 199 [2018-09-15 20:03:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:03:52,635 INFO L225 Difference]: With dead ends: 5450 [2018-09-15 20:03:52,636 INFO L226 Difference]: Without dead ends: 4340 [2018-09-15 20:03:52,640 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:03:52,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-09-15 20:03:52,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-09-15 20:03:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-09-15 20:03:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-09-15 20:03:52,779 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 199 [2018-09-15 20:03:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:03:52,780 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-09-15 20:03:52,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 20:03:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-09-15 20:03:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-09-15 20:03:52,788 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:03:52,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:03:52,792 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:03:52,793 INFO L82 PathProgramCache]: Analyzing trace with hash 836111556, now seen corresponding path program 1 times [2018-09-15 20:03:52,793 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:03:52,793 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2018-09-15 20:03:52,794 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], [3079], [3081], [3084], [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], [3410], [3414], [3425], [3429], [3440], [3451], [3455], [3459], [3463], [3467], [3471], [3475], [3479], [3483], [3487], [3498], [3502], [3506], [3517], [3521], [3525], [3529], [3533], [3537], [3541], [3545], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3591], [3595], [3599], [3603], [3614], [3618], [3622], [3626], [3630], [3634], [3638], [3642], [3646], [3650], [3654], [3658], [3662], [3666], [3670], [3674], [3678], [3682], [3686], [3690], [3694], [3698], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3768], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3815], [3819], [3823], [3827], [3831], [3835], [3839], [3843], [3847], [3851], [3862], [3865], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 20:03:52,817 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:03:52,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:04:06,107 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:04:20,598 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:04:20,599 INFO L272 AbstractInterpreter]: Visited 230 different actions 453 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 20:04:20,606 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:04:23,705 INFO L232 lantSequenceWeakener]: Weakened 290 states. On average, predicates are now at 71.56% of their original sizes. [2018-09-15 20:04:23,705 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:04:24,532 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:04:24,532 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:04:24,532 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 20:04:24,533 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:04:24,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 20:04:24,534 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 20:04:24,534 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-09-15 20:04:24,534 INFO L87 Difference]: Start difference. First operand 4337 states and 5285 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 20:05:05,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 20:05:05,493 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:05:05,499 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:05:05,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:05:05 BoogieIcfgContainer [2018-09-15 20:05:05,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:05:05,500 INFO L168 Benchmark]: Toolchain (without parser) took 255778.38 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 606.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,502 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 20:05:05,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2669.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 1071.72 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 964.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.6 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,505 INFO L168 Benchmark]: Boogie Preprocessor took 380.83 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,506 INFO L168 Benchmark]: RCFGBuilder took 11311.22 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 150.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -13.5 MB). Peak memory consumption was 712.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,507 INFO L168 Benchmark]: TraceAbstraction took 240338.25 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 381.1 MB. Max. memory is 7.1 GB. [2018-09-15 20:05:05,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2669.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 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 1071.72 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 964.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 380.83 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11311.22 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 150.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -13.5 MB). Peak memory consumption was 712.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240338.25 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 381.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 198]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 198). Cancelled while BasicCegarLoop was constructing difference of abstraction (4337states) and FLOYD_HOARE automaton (currently 15 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (2441 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 240.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 174.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4086 SDtfs, 7474 SDslu, 2765 SDs, 0 SdLazy, 32316 SolverSat, 3521 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 162.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 750 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4337occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 52.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9954077488168394 AbsIntWeakeningRatio, 0.10743801652892562 AbsIntAvgWeakeningVarsNumRemoved, 359.67906336088157 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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_label50_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-05-05-529.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label50_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-05-05-529.csv Completed graceful shutdown