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/Problem13_label41_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:59:43,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:59:43,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:59:43,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:59:43,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:59:43,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:59:43,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:59:43,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:59:43,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:59:43,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:59:43,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:59:43,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:59:43,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:59:43,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:59:43,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:59:43,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:59:43,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:59:43,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:59:43,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:59:43,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:59:43,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:59:43,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:59:43,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:59:43,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:59:43,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:59:43,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:59:43,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:59:43,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:59:43,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:59:43,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:59:43,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:59:43,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:59:43,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:59:43,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:59:43,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:59:43,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:59:43,732 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 [2018-09-15 11:59:43,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:59:43,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:59:43,758 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:59:43,758 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:59:43,758 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:59:43,758 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:59:43,759 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:59:43,759 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:59:43,759 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:59:43,759 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:59:43,760 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:59:43,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:59:43,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:59:43,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:59:43,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:59:43,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:59:43,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:59:43,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:59:43,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:59:43,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:59:43,764 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:59:43,764 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:59:43,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:59:43,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:59:43,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:59:43,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:59:43,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:59:43,766 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:59:43,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:59:43,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:59:43,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:59:43,767 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:59:43,767 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:59:43,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:59:43,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:59:43,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:59:43,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:59:43,865 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:59:43,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label41_true-unreach-call.c [2018-09-15 11:59:44,219 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6066f7751/e6b6d560ae86427aaf156cfd79475742/FLAGb5c2f16ff [2018-09-15 11:59:44,738 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:59:44,739 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label41_true-unreach-call.c [2018-09-15 11:59:44,770 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6066f7751/e6b6d560ae86427aaf156cfd79475742/FLAGb5c2f16ff [2018-09-15 11:59:44,787 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6066f7751/e6b6d560ae86427aaf156cfd79475742 [2018-09-15 11:59:44,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:59:44,802 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:59:44,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:44,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:59:44,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:59:44,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:44" (1/1) ... [2018-09-15 11:59:44,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a64aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:44, skipping insertion in model container [2018-09-15 11:59:44,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:44" (1/1) ... [2018-09-15 11:59:44,831 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:59:46,337 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:46,358 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:59:47,102 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47 WrapperNode [2018-09-15 11:59:47,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:47,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:47,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:59:47,502 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:59:47,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:47,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:47,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:47,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:59:47,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:59:47,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:59:48,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:48,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:48,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:48,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:48,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:48,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:49,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (1/1) ... [2018-09-15 11:59:49,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:59:49,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:59:49,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:59:49,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:59:49,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (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 11:59:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:59:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:59:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 11:59:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 11:59:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 11:59:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 11:59:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 11:59:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 11:59:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:59:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:59:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:59:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:59:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:59:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:00:00,460 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:00:00,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:00:00 BoogieIcfgContainer [2018-09-15 12:00:00,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:00:00,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:00:00,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:00:00,466 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:00:00,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:59:44" (1/3) ... [2018-09-15 12:00:00,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a9bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:00:00, skipping insertion in model container [2018-09-15 12:00:00,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:47" (2/3) ... [2018-09-15 12:00:00,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a9bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:00:00, skipping insertion in model container [2018-09-15 12:00:00,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:00:00" (3/3) ... [2018-09-15 12:00:00,470 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label41_true-unreach-call.c [2018-09-15 12:00:00,481 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:00:00,491 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:00:00,559 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:00:00,560 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:00:00,560 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:00:00,560 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:00:00,561 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:00:00,561 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:00:00,561 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:00:00,561 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:00:00,561 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:00:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 12:00:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-15 12:00:00,615 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:00:00,616 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] [2018-09-15 12:00:00,618 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:00:00,624 INFO L82 PathProgramCache]: Analyzing trace with hash -501349661, now seen corresponding path program 1 times [2018-09-15 12:00:00,627 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:00:00,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-09-15 12:00:00,631 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], [2935], [2937], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 12:00:00,704 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:00:00,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:00:03,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:00:03,096 INFO L272 AbstractInterpreter]: Visited 50 different actions 50 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 12:00:03,110 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:00:04,075 INFO L232 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 73.33% of their original sizes. [2018-09-15 12:00:04,076 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:00:04,464 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:00:04,466 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:00:04,467 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:00:04,467 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:00:04,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:00:04,482 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:00:04,483 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:00:04,487 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-15 12:00:33,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:00:33,964 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-15 12:00:33,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:00:33,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-09-15 12:00:33,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:00:34,004 INFO L225 Difference]: With dead ends: 3044 [2018-09-15 12:00:34,004 INFO L226 Difference]: Without dead ends: 1922 [2018-09-15 12:00:34,018 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 46 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 12:00:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-15 12:00:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-15 12:00:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-15 12:00:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-15 12:00:34,202 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 51 [2018-09-15 12:00:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:00:34,203 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-15 12:00:34,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:00:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-15 12:00:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-15 12:00:34,209 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:00:34,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:34,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:00:34,211 INFO L82 PathProgramCache]: Analyzing trace with hash -645200432, now seen corresponding path program 1 times [2018-09-15 12:00:34,211 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:00:34,211 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-09-15 12:00:34,212 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], [2935], [2937], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [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 12:00:34,218 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:00:34,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:00:53,396 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:00:53,396 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 12:00:53,437 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:00:59,003 INFO L232 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 71.73% of their original sizes. [2018-09-15 12:00:59,004 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:01:01,076 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:01:01,077 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:01:01,077 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 12:01:01,077 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:01:01,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 12:01:01,080 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 12:01:01,080 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 12:01:01,080 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-15 12:02:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:02:02,948 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-09-15 12:02:02,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:02:02,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-09-15 12:02:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:02:02,963 INFO L225 Difference]: With dead ends: 3839 [2018-09-15 12:02:02,963 INFO L226 Difference]: Without dead ends: 2729 [2018-09-15 12:02:02,968 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 104 SyntacticMatches, 39 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 12:02:02,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-09-15 12:02:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-09-15 12:02:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-15 12:02:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-09-15 12:02:03,053 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 152 [2018-09-15 12:02:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:02:03,054 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-09-15 12:02:03,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 12:02:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-09-15 12:02:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-15 12:02:03,059 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:02:03,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:03,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:02:03,060 INFO L82 PathProgramCache]: Analyzing trace with hash 451910213, now seen corresponding path program 1 times [2018-09-15 12:02:03,060 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:02:03,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-15 12:02:03,061 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], [2935], [2937], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [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 12:02:03,068 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:02:03,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:02:20,604 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:02:20,604 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 12:02:20,614 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:02:25,925 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 71.59% of their original sizes. [2018-09-15 12:02:25,925 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:02:28,101 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:02:28,102 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:02:28,102 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:02:28,103 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:02:28,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:02:28,104 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:02:28,104 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:02:28,105 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-09-15 12:03:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:03:13,921 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-09-15 12:03:13,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:03:13,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2018-09-15 12:03:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:03:13,957 INFO L225 Difference]: With dead ends: 5450 [2018-09-15 12:03:13,957 INFO L226 Difference]: Without dead ends: 4340 [2018-09-15 12:03:13,964 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 131 SyntacticMatches, 39 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:03:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-09-15 12:03:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-09-15 12:03:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-09-15 12:03:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-09-15 12:03:14,114 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 181 [2018-09-15 12:03:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:03:14,115 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-09-15 12:03:14,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:03:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-09-15 12:03:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-09-15 12:03:14,125 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:03:14,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:14,126 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:03:14,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1299509116, now seen corresponding path program 1 times [2018-09-15 12:03:14,127 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:03:14,127 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-09-15 12:03:14,128 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], [2935], [2937], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [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 12:03:14,153 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:03:14,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:03:23,579 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:03:44,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:03:44,876 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 12:03:44,917 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 12:03:51,309 INFO L232 lantSequenceWeakener]: Weakened 272 states. On average, predicates are now at 71.33% of their original sizes. [2018-09-15 12:03:51,310 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:03:51,382 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:03:51,387 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:03:51,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:03:51 BoogieIcfgContainer [2018-09-15 12:03:51,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:03:51,388 INFO L168 Benchmark]: Toolchain (without parser) took 246589.05 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,390 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 12:03:51,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2697.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 327.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,392 INFO L168 Benchmark]: Boogie Preprocessor took 1256.89 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 997.2 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 174.2 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,394 INFO L168 Benchmark]: RCFGBuilder took 11375.29 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 161.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -3.5 MB). Peak memory consumption was 749.6 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,395 INFO L168 Benchmark]: TraceAbstraction took 230925.43 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: -194.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-15 12:03:51,404 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2697.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 327.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1256.89 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 997.2 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 174.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11375.29 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 161.5 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -3.5 MB). Peak memory consumption was 749.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230925.43 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: -194.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 144). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 230.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 137.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3739 SDtfs, 6296 SDslu, 2403 SDs, 0 SdLazy, 27792 SolverSat, 3122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 127.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 396 GetRequests, 281 SyntacticMatches, 78 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 5.4s 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, 70.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9949021798792439 AbsIntWeakeningRatio, 0.11926605504587157 AbsIntAvgWeakeningVarsNumRemoved, 96.38226299694189 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s 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_label41_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-03-51-426.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label41_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-03-51-426.csv Completed graceful shutdown