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/Problem16_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 06:34:43,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 06:34:43,673 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 06:34:43,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 06:34:43,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 06:34:43,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 06:34:43,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 06:34:43,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 06:34:43,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 06:34:43,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 06:34:43,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 06:34:43,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 06:34:43,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 06:34:43,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 06:34:43,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 06:34:43,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 06:34:43,701 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 06:34:43,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 06:34:43,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 06:34:43,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 06:34:43,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 06:34:43,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 06:34:43,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 06:34:43,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 06:34:43,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 06:34:43,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 06:34:43,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 06:34:43,715 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 06:34:43,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 06:34:43,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 06:34:43,718 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 06:34:43,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 06:34:43,719 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 06:34:43,719 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 06:34:43,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 06:34:43,721 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 06:34:43,721 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 [2018-08-08 06:34:43,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 06:34:43,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 06:34:43,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 06:34:43,749 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 06:34:43,749 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 06:34:43,749 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 06:34:43,750 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 06:34:43,750 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 06:34:43,750 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 06:34:43,750 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 06:34:43,750 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 06:34:43,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 06:34:43,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 06:34:43,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 06:34:43,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 06:34:43,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 06:34:43,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 06:34:43,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 06:34:43,752 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 06:34:43,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 06:34:43,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 06:34:43,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 06:34:43,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 06:34:43,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 06:34:43,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 06:34:43,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 06:34:43,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 06:34:43,755 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 06:34:43,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 06:34:43,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 06:34:43,756 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 06:34:43,756 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 06:34:43,756 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 06:34:43,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 06:34:43,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 06:34:43,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 06:34:43,845 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 06:34:43,846 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 06:34:43,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-08-08 06:34:44,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0078b95de/94e121ac09db490da16078751da88aab/FLAG0f0ec69fa [2018-08-08 06:34:44,601 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 06:34:44,602 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-08-08 06:34:44,631 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0078b95de/94e121ac09db490da16078751da88aab/FLAG0f0ec69fa [2018-08-08 06:34:44,655 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0078b95de/94e121ac09db490da16078751da88aab [2018-08-08 06:34:44,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 06:34:44,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 06:34:44,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 06:34:44,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 06:34:44,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 06:34:44,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:34:44" (1/1) ... [2018-08-08 06:34:44,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9e394b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:44, skipping insertion in model container [2018-08-08 06:34:44,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:34:44" (1/1) ... [2018-08-08 06:34:44,974 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 06:34:45,492 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 06:34:45,509 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 06:34:45,776 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 06:34:45,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45 WrapperNode [2018-08-08 06:34:45,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 06:34:45,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 06:34:45,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 06:34:45,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 06:34:45,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:45,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 06:34:46,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 06:34:46,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 06:34:46,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 06:34:46,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (1/1) ... [2018-08-08 06:34:46,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 06:34:46,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 06:34:46,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 06:34:46,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 06:34:46,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (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 [2018-08-08 06:34:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 06:34:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 06:34:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 06:34:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 06:34:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 06:34:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 06:34:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 06:34:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 06:34:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 06:34:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 06:34:54,040 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 06:34:54,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:34:54 BoogieIcfgContainer [2018-08-08 06:34:54,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 06:34:54,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 06:34:54,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 06:34:54,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 06:34:54,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 06:34:44" (1/3) ... [2018-08-08 06:34:54,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bbf2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:34:54, skipping insertion in model container [2018-08-08 06:34:54,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:34:45" (2/3) ... [2018-08-08 06:34:54,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bbf2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:34:54, skipping insertion in model container [2018-08-08 06:34:54,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:34:54" (3/3) ... [2018-08-08 06:34:54,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label42_true-unreach-call.c [2018-08-08 06:34:54,074 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 06:34:54,084 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 06:34:54,143 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 06:34:54,144 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 06:34:54,144 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 06:34:54,144 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 06:34:54,145 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 06:34:54,145 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 06:34:54,145 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 06:34:54,145 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 06:34:54,145 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 06:34:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-08-08 06:34:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-08-08 06:34:54,203 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:34:54,205 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 06:34:54,206 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:34:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1025561161, now seen corresponding path program 1 times [2018-08-08 06:34:54,213 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:34:54,214 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-08-08 06:34:54,217 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [1378], [1382], [1388], [1392], [1579], [1580], [1581], [1583] [2018-08-08 06:34:54,294 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:34:54,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:34:56,170 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:34:56,172 INFO L272 AbstractInterpreter]: Visited 68 different actions 68 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 06:34:56,193 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:34:57,277 INFO L232 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 80.84% of their original sizes. [2018-08-08 06:34:57,277 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:34:57,568 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:34:57,570 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:34:57,570 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 06:34:57,571 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:34:57,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 06:34:57,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 06:34:57,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 06:34:57,587 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-08-08 06:35:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:35:09,906 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-08-08 06:35:09,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 06:35:09,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-08-08 06:35:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:35:09,932 INFO L225 Difference]: With dead ends: 1158 [2018-08-08 06:35:09,933 INFO L226 Difference]: Without dead ends: 746 [2018-08-08 06:35:09,942 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 06:35:09,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-08-08 06:35:10,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-08-08 06:35:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-08-08 06:35:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-08-08 06:35:10,050 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 69 [2018-08-08 06:35:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:35:10,050 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-08-08 06:35:10,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 06:35:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-08-08 06:35:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-08-08 06:35:10,061 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:35:10,062 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 06:35:10,062 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:35:10,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1879711686, now seen corresponding path program 1 times [2018-08-08 06:35:10,063 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:35:10,063 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-08-08 06:35:10,064 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [582], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-08-08 06:35:10,073 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:35:10,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:35:13,651 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:35:20,831 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:35:20,832 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:35:20,878 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:35:25,115 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 78.86% of their original sizes. [2018-08-08 06:35:25,116 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:35:27,506 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:35:27,506 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:35:27,506 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 06:35:27,507 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:35:27,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 06:35:27,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 06:35:27,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-08-08 06:35:27,510 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-08-08 06:35:45,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:35:45,408 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-08-08 06:35:45,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 06:35:45,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2018-08-08 06:35:45,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:35:45,426 INFO L225 Difference]: With dead ends: 1826 [2018-08-08 06:35:45,427 INFO L226 Difference]: Without dead ends: 1426 [2018-08-08 06:35:45,431 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 94 SyntacticMatches, 57 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 06:35:45,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-08-08 06:35:45,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-08-08 06:35:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-08-08 06:35:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-08-08 06:35:45,503 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 161 [2018-08-08 06:35:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:35:45,505 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-08-08 06:35:45,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 06:35:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-08-08 06:35:45,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-08-08 06:35:45,510 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:35:45,511 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 06:35:45,511 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:35:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash 601774798, now seen corresponding path program 1 times [2018-08-08 06:35:45,512 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:35:45,512 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-08-08 06:35:45,513 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [726], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-08-08 06:35:45,523 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:35:45,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:35:50,143 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:36:00,312 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:36:00,312 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:36:00,339 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:36:06,289 INFO L232 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 78.56% of their original sizes. [2018-08-08 06:36:06,289 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:36:08,161 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:36:08,162 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:36:08,162 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 06:36:08,162 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:36:08,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 06:36:08,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 06:36:08,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-08-08 06:36:08,165 INFO L87 Difference]: Start difference. First operand 1423 states and 1772 transitions. Second operand 11 states. [2018-08-08 06:36:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:36:37,260 INFO L93 Difference]: Finished difference Result 2505 states and 3837 transitions. [2018-08-08 06:36:37,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 06:36:37,263 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2018-08-08 06:36:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:36:37,275 INFO L225 Difference]: With dead ends: 2505 [2018-08-08 06:36:37,275 INFO L226 Difference]: Without dead ends: 2105 [2018-08-08 06:36:37,278 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 130 SyntacticMatches, 57 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 06:36:37,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2018-08-08 06:36:37,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2102. [2018-08-08 06:36:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2018-08-08 06:36:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2469 transitions. [2018-08-08 06:36:37,347 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2469 transitions. Word has length 197 [2018-08-08 06:36:37,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:36:37,348 INFO L480 AbstractCegarLoop]: Abstraction has 2102 states and 2469 transitions. [2018-08-08 06:36:37,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 06:36:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2469 transitions. [2018-08-08 06:36:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-08-08 06:36:37,353 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:36:37,353 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 06:36:37,353 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:36:37,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1602052615, now seen corresponding path program 1 times [2018-08-08 06:36:37,354 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:36:37,354 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-08-08 06:36:37,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [826], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-08-08 06:36:37,360 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:36:37,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:36:42,786 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:36:53,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:36:53,192 INFO L272 AbstractInterpreter]: Visited 160 different actions 313 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:36:53,229 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:36:58,040 INFO L232 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 78.42% of their original sizes. [2018-08-08 06:36:58,040 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:36:59,952 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:36:59,953 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:36:59,953 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 06:36:59,953 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:36:59,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 06:36:59,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 06:36:59,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-08-08 06:36:59,956 INFO L87 Difference]: Start difference. First operand 2102 states and 2469 transitions. Second operand 12 states. [2018-08-08 06:37:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:37:26,428 INFO L93 Difference]: Finished difference Result 3184 states and 4534 transitions. [2018-08-08 06:37:26,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 06:37:26,440 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 222 [2018-08-08 06:37:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:37:26,455 INFO L225 Difference]: With dead ends: 3184 [2018-08-08 06:37:26,455 INFO L226 Difference]: Without dead ends: 2784 [2018-08-08 06:37:26,459 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 154 SyntacticMatches, 57 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-08-08 06:37:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-08-08 06:37:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2781. [2018-08-08 06:37:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2018-08-08 06:37:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3166 transitions. [2018-08-08 06:37:26,569 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3166 transitions. Word has length 222 [2018-08-08 06:37:26,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:37:26,570 INFO L480 AbstractCegarLoop]: Abstraction has 2781 states and 3166 transitions. [2018-08-08 06:37:26,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 06:37:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3166 transitions. [2018-08-08 06:37:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-08-08 06:37:26,576 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:37:26,576 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 06:37:26,576 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:37:26,577 INFO L82 PathProgramCache]: Analyzing trace with hash 658538697, now seen corresponding path program 1 times [2018-08-08 06:37:26,577 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:37:26,577 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-08-08 06:37:26,578 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [986], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-08-08 06:37:26,590 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:37:26,590 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:37:51,433 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:37:51,433 INFO L272 AbstractInterpreter]: Visited 200 different actions 393 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:37:51,442 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:37:59,238 INFO L232 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 78.24% of their original sizes. [2018-08-08 06:37:59,238 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:38:01,025 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:38:01,025 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:38:01,026 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 06:38:01,026 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:38:01,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 06:38:01,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 06:38:01,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-08-08 06:38:01,028 INFO L87 Difference]: Start difference. First operand 2781 states and 3166 transitions. Second operand 12 states. [2018-08-08 06:38:25,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:38:25,558 INFO L93 Difference]: Finished difference Result 3863 states and 5231 transitions. [2018-08-08 06:38:25,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 06:38:25,561 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 262 [2018-08-08 06:38:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:38:25,575 INFO L225 Difference]: With dead ends: 3863 [2018-08-08 06:38:25,575 INFO L226 Difference]: Without dead ends: 3463 [2018-08-08 06:38:25,579 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 194 SyntacticMatches, 57 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-08-08 06:38:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2018-08-08 06:38:25,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3460. [2018-08-08 06:38:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3460 states. [2018-08-08 06:38:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 3863 transitions. [2018-08-08 06:38:25,704 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 3863 transitions. Word has length 262 [2018-08-08 06:38:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:38:25,704 INFO L480 AbstractCegarLoop]: Abstraction has 3460 states and 3863 transitions. [2018-08-08 06:38:25,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 06:38:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3863 transitions. [2018-08-08 06:38:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-08-08 06:38:25,711 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:38:25,711 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 06:38:25,711 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 06:38:25,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1764939851, now seen corresponding path program 1 times [2018-08-08 06:38:25,712 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:38:25,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-08-08 06:38:25,713 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [582], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [726], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-08-08 06:38:25,717 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:38:25,717 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:38:27,923 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:38:50,235 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:38:50,236 INFO L272 AbstractInterpreter]: Visited 136 different actions 665 times. Merged at 7 different actions 29 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:38:50,242 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:38:53,173 INFO L232 lantSequenceWeakener]: Weakened 287 states. On average, predicates are now at 78.19% of their original sizes. [2018-08-08 06:38:53,174 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-08-08 06:38:53,994 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 06:38:53,999 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 06:38:54,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 06:38:54 BoogieIcfgContainer [2018-08-08 06:38:54,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 06:38:54,001 INFO L168 Benchmark]: Toolchain (without parser) took 249328.80 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -408.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,003 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-08-08 06:38:54,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,005 INFO L168 Benchmark]: Boogie Preprocessor took 537.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 822.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -957.0 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,006 INFO L168 Benchmark]: RCFGBuilder took 7400.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 277.7 MB). Peak memory consumption was 277.7 MB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,007 INFO L168 Benchmark]: TraceAbstraction took 239956.96 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 143.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-08-08 06:38:54,013 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1206.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 219.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 537.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 822.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -957.0 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7400.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 277.7 MB). Peak memory consumption was 277.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239956.96 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 143.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 193). Cancelled while BasicCegarLoop was analyzing trace of length 290 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 11 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 239.8s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 110.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2033 SDtfs, 7213 SDslu, 1991 SDs, 0 SdLazy, 21270 SolverSat, 2776 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 102.2s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 936 GetRequests, 636 SyntacticMatches, 228 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2187 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3460occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 92.8s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9953510139630959 AbsIntWeakeningRatio, 0.10050251256281408 AbsIntAvgWeakeningVarsNumRemoved, 143.73115577889448 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 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/Problem16_label42_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_06-38-54-028.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label42_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_06-38-54-028.csv Completed graceful shutdown