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/Problem12_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:20:38,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:20:38,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:20:38,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:20:38,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:20:38,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:20:38,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:20:38,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:20:38,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:20:38,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:20:38,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:20:38,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:20:38,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:20:38,714 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:20:38,715 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:20:38,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:20:38,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:20:38,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:20:38,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:20:38,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:20:38,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:20:38,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:20:38,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:20:38,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:20:38,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:20:38,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:20:38,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:20:38,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:20:38,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:20:38,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:20:38,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:20:38,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:20:38,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:20:38,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:20:38,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:20:38,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:20:38,745 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 10:20:38,771 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:20:38,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:20:38,772 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:20:38,772 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:20:38,772 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:20:38,773 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:20:38,773 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:20:38,773 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:20:38,773 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:20:38,774 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:20:38,774 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:20:38,774 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:20:38,774 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:20:38,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:20:38,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:20:38,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:20:38,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:20:38,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:20:38,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:20:38,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:20:38,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:20:38,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:20:38,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:20:38,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:20:38,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:20:38,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:20:38,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:20:38,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:20:38,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:20:38,778 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:20:38,779 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:20:38,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:20:38,779 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:20:38,779 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:20:38,779 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:20:38,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:20:38,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:20:38,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:20:38,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:20:38,865 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:20:38,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label23_true-unreach-call.c [2018-09-19 10:20:39,253 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9787fd8b/edf5c306ecd74593942fa9a93f1775cd/FLAG901679880 [2018-09-19 10:20:39,735 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:20:39,736 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label23_true-unreach-call.c [2018-09-19 10:20:39,765 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9787fd8b/edf5c306ecd74593942fa9a93f1775cd/FLAG901679880 [2018-09-19 10:20:39,782 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9787fd8b/edf5c306ecd74593942fa9a93f1775cd [2018-09-19 10:20:39,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:20:39,798 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:20:39,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:20:39,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:20:39,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:20:39,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:20:39" (1/1) ... [2018-09-19 10:20:39,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc6b832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:39, skipping insertion in model container [2018-09-19 10:20:39,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:20:39" (1/1) ... [2018-09-19 10:20:39,825 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:20:41,134 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:20:41,156 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:20:41,727 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:20:42,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42 WrapperNode [2018-09-19 10:20:42,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:20:42,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:20:42,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:20:42,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:20:42,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:42,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:42,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:20:42,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:20:42,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:20:42,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:20:42,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:42,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:42,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:42,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:43,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:43,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:43,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... [2018-09-19 10:20:43,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:20:43,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:20:43,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:20:43,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:20:43,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:20:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:20:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:20:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 10:20:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 10:20:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 10:20:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 10:20:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 10:20:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 10:20:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:20:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:20:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:20:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:20:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:20:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:20:53,402 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:20:53,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:20:53 BoogieIcfgContainer [2018-09-19 10:20:53,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:20:53,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:20:53,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:20:53,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:20:53,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:20:39" (1/3) ... [2018-09-19 10:20:53,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148878bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:20:53, skipping insertion in model container [2018-09-19 10:20:53,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:20:42" (2/3) ... [2018-09-19 10:20:53,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148878bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:20:53, skipping insertion in model container [2018-09-19 10:20:53,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:20:53" (3/3) ... [2018-09-19 10:20:53,412 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label23_true-unreach-call.c [2018-09-19 10:20:53,423 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:20:53,433 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:20:53,499 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:20:53,500 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:20:53,500 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:20:53,500 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:20:53,501 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:20:53,501 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:20:53,501 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:20:53,501 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:20:53,501 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:20:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-09-19 10:20:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-19 10:20:53,554 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:20:53,555 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] [2018-09-19 10:20:53,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:20:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash -868014412, now seen corresponding path program 1 times [2018-09-19 10:20:53,564 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:20:53,565 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-09-19 10:20:53,568 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [3244], [3248], [3254], [3258], [3271], [3272], [3273], [3275] [2018-09-19 10:20:53,624 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:20:53,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:20:55,121 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:20:55,123 INFO L272 AbstractInterpreter]: Visited 41 different actions 41 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 10:20:55,145 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:20:55,866 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 77.41% of their original sizes. [2018-09-19 10:20:55,866 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:20:56,159 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:20:56,161 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:20:56,161 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:20:56,162 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:20:56,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:20:56,174 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:20:56,175 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:20:56,178 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2018-09-19 10:21:13,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:21:13,341 INFO L93 Difference]: Finished difference Result 2448 states and 4699 transitions. [2018-09-19 10:21:13,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:21:13,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-09-19 10:21:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:21:13,390 INFO L225 Difference]: With dead ends: 2448 [2018-09-19 10:21:13,390 INFO L226 Difference]: Without dead ends: 1606 [2018-09-19 10:21:13,403 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:21:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-19 10:21:13,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2018-09-19 10:21:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-09-19 10:21:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2357 transitions. [2018-09-19 10:21:13,596 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2357 transitions. Word has length 42 [2018-09-19 10:21:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:21:13,597 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2357 transitions. [2018-09-19 10:21:13,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:21:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2357 transitions. [2018-09-19 10:21:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-19 10:21:13,610 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:21:13,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:21:13,611 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:21:13,611 INFO L82 PathProgramCache]: Analyzing trace with hash -904578762, now seen corresponding path program 1 times [2018-09-19 10:21:13,611 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:21:13,612 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-09-19 10:21:13,613 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-19 10:21:13,627 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:21:13,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:21:19,110 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:21:19,110 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:21:19,116 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:21:20,100 INFO L232 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 75.9% of their original sizes. [2018-09-19 10:21:20,100 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:21:20,745 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:21:20,746 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:21:20,746 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:21:20,746 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:21:20,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:21:20,748 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:21:20,748 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:21:20,748 INFO L87 Difference]: Start difference. First operand 1604 states and 2357 transitions. Second operand 12 states. [2018-09-19 10:21:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:21:55,968 INFO L93 Difference]: Finished difference Result 3738 states and 6520 transitions. [2018-09-19 10:21:55,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 10:21:55,969 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2018-09-19 10:21:55,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:21:55,984 INFO L225 Difference]: With dead ends: 3738 [2018-09-19 10:21:55,984 INFO L226 Difference]: Without dead ends: 2908 [2018-09-19 10:21:55,989 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-09-19 10:21:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2018-09-19 10:21:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2406. [2018-09-19 10:21:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2406 states. [2018-09-19 10:21:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3172 transitions. [2018-09-19 10:21:56,063 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3172 transitions. Word has length 118 [2018-09-19 10:21:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:21:56,064 INFO L480 AbstractCegarLoop]: Abstraction has 2406 states and 3172 transitions. [2018-09-19 10:21:56,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 10:21:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3172 transitions. [2018-09-19 10:21:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-19 10:21:56,071 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:21:56,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:21:56,071 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:21:56,072 INFO L82 PathProgramCache]: Analyzing trace with hash -215861878, now seen corresponding path program 1 times [2018-09-19 10:21:56,072 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:21:56,072 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-09-19 10:21:56,073 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-19 10:21:56,087 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:21:56,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:22:01,276 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:22:12,606 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:22:12,606 INFO L272 AbstractInterpreter]: Visited 153 different actions 446 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:22:12,612 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:22:14,017 INFO L232 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 75.56% of their original sizes. [2018-09-19 10:22:14,017 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:22:15,125 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:22:15,126 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:22:15,126 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:22:15,126 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:22:15,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:22:15,127 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:22:15,127 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:22:15,128 INFO L87 Difference]: Start difference. First operand 2406 states and 3172 transitions. Second operand 12 states. [2018-09-19 10:22:50,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:22:50,447 INFO L93 Difference]: Finished difference Result 4011 states and 6273 transitions. [2018-09-19 10:22:50,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 10:22:50,448 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 188 [2018-09-19 10:22:50,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:22:50,467 INFO L225 Difference]: With dead ends: 4011 [2018-09-19 10:22:50,468 INFO L226 Difference]: Without dead ends: 3181 [2018-09-19 10:22:50,472 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2018-09-19 10:22:50,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2018-09-19 10:22:50,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 3176. [2018-09-19 10:22:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2018-09-19 10:22:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 3957 transitions. [2018-09-19 10:22:50,562 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 3957 transitions. Word has length 188 [2018-09-19 10:22:50,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:22:50,563 INFO L480 AbstractCegarLoop]: Abstraction has 3176 states and 3957 transitions. [2018-09-19 10:22:50,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 10:22:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3957 transitions. [2018-09-19 10:22:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-19 10:22:50,568 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:22:50,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:22:50,568 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:22:50,569 INFO L82 PathProgramCache]: Analyzing trace with hash 899913922, now seen corresponding path program 1 times [2018-09-19 10:22:50,569 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:22:50,569 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-19 10:22:50,570 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-19 10:22:50,577 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:22:50,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:22:55,578 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:23:06,496 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:23:06,496 INFO L272 AbstractInterpreter]: Visited 157 different actions 458 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:23:06,502 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:23:07,742 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 75.55% of their original sizes. [2018-09-19 10:23:07,743 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:23:08,335 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:23:08,335 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:23:08,335 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:23:08,335 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:23:08,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:23:08,336 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:23:08,337 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:23:08,337 INFO L87 Difference]: Start difference. First operand 3176 states and 3957 transitions. Second operand 14 states. [2018-09-19 10:23:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:23:36,807 INFO L93 Difference]: Finished difference Result 4882 states and 7258 transitions. [2018-09-19 10:23:36,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 10:23:36,808 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2018-09-19 10:23:36,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:23:36,826 INFO L225 Difference]: With dead ends: 4882 [2018-09-19 10:23:36,827 INFO L226 Difference]: Without dead ends: 4052 [2018-09-19 10:23:36,831 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2018-09-19 10:23:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2018-09-19 10:23:36,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3950. [2018-09-19 10:23:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3950 states. [2018-09-19 10:23:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3950 states and 4771 transitions. [2018-09-19 10:23:36,946 INFO L78 Accepts]: Start accepts. Automaton has 3950 states and 4771 transitions. Word has length 192 [2018-09-19 10:23:36,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:23:36,947 INFO L480 AbstractCegarLoop]: Abstraction has 3950 states and 4771 transitions. [2018-09-19 10:23:36,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:23:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3950 states and 4771 transitions. [2018-09-19 10:23:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-19 10:23:36,955 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:23:36,955 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:23:36,955 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:23:36,956 INFO L82 PathProgramCache]: Analyzing trace with hash -369669236, now seen corresponding path program 1 times [2018-09-19 10:23:36,956 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:23:36,956 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-09-19 10:23:36,957 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-19 10:23:36,970 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:23:36,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:23:43,723 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:23:59,302 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:23:59,303 INFO L272 AbstractInterpreter]: Visited 154 different actions 606 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-19 10:23:59,306 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:24:00,831 INFO L232 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 75.43% of their original sizes. [2018-09-19 10:24:00,832 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:24:01,426 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:24:01,427 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:24:01,427 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:24:01,427 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:24:01,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:24:01,428 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:24:01,428 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:24:01,428 INFO L87 Difference]: Start difference. First operand 3950 states and 4771 transitions. Second operand 14 states. [2018-09-19 10:24:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:24:35,454 INFO L93 Difference]: Finished difference Result 6950 states and 10106 transitions. [2018-09-19 10:24:35,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 10:24:35,456 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 264 [2018-09-19 10:24:35,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:24:35,481 INFO L225 Difference]: With dead ends: 6950 [2018-09-19 10:24:35,481 INFO L226 Difference]: Without dead ends: 6120 [2018-09-19 10:24:35,487 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 276 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2018-09-19 10:24:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2018-09-19 10:24:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 4730. [2018-09-19 10:24:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4730 states. [2018-09-19 10:24:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4730 states to 4730 states and 5576 transitions. [2018-09-19 10:24:35,632 INFO L78 Accepts]: Start accepts. Automaton has 4730 states and 5576 transitions. Word has length 264 [2018-09-19 10:24:35,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:24:35,633 INFO L480 AbstractCegarLoop]: Abstraction has 4730 states and 5576 transitions. [2018-09-19 10:24:35,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:24:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4730 states and 5576 transitions. [2018-09-19 10:24:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-09-19 10:24:35,638 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:24:35,638 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:24:35,638 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:24:35,638 INFO L82 PathProgramCache]: Analyzing trace with hash -266740284, now seen corresponding path program 1 times [2018-09-19 10:24:35,639 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:24:35,639 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-09-19 10:24:35,639 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2103], [2105], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-19 10:24:35,644 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:24:35,644 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:24:42,769 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:24:57,500 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:24:57,500 INFO L272 AbstractInterpreter]: Visited 158 different actions 622 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-19 10:24:57,502 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 10:24:58,952 INFO L232 lantSequenceWeakener]: Weakened 266 states. On average, predicates are now at 75.43% of their original sizes. [2018-09-19 10:24:58,953 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:24:58,969 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:24:58,974 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:24:58,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:24:58 BoogieIcfgContainer [2018-09-19 10:24:58,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:24:58,975 INFO L168 Benchmark]: Toolchain (without parser) took 259180.13 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 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 679.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,977 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 10:24:58,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2216.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,979 INFO L168 Benchmark]: Boogie Preprocessor took 966.47 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 928.0 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,981 INFO L168 Benchmark]: RCFGBuilder took 10170.95 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 652.4 MB). Peak memory consumption was 652.4 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,981 INFO L168 Benchmark]: TraceAbstraction took 245569.87 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.5 GB in the end (delta: -1.8 GB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:24:58,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2216.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 249.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 966.47 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 928.0 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10170.95 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 652.4 MB). Peak memory consumption was 652.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245569.87 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.5 GB in the end (delta: -1.8 GB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 117). Cancelled while BasicCegarLoop was analyzing trace of length 269 with TraceHistMax 3, 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, 840 locations, 1 error locations. TIMEOUT Result, 245.4s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 150.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4192 SDtfs, 16652 SDslu, 1472 SDs, 0 SdLazy, 38738 SolverSat, 4334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 136.3s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 845 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4730occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 83.7s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9947595853177471 AbsIntWeakeningRatio, 0.12382739212007504 AbsIntAvgWeakeningVarsNumRemoved, 1054.797373358349 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 2001 StatesRemovedByMinimization, 5 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/Problem12_label23_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-24-59-005.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label23_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-24-59-005.csv Completed graceful shutdown