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-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 11:58:50,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 11:58:50,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 11:58:50,850 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 11:58:50,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 11:58:50,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 11:58:50,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 11:58:50,854 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 11:58:50,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 11:58:50,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 11:58:50,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 11:58:50,858 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 11:58:50,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 11:58:50,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 11:58:50,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 11:58:50,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 11:58:50,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 11:58:50,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 11:58:50,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 11:58:50,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 11:58:50,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 11:58:50,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 11:58:50,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 11:58:50,878 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 11:58:50,878 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 11:58:50,879 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 11:58:50,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 11:58:50,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 11:58:50,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 11:58:50,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 11:58:50,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 11:58:50,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 11:58:50,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 11:58:50,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 11:58:50,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 11:58:50,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 11:58:50,886 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 11:58:50,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 11:58:50,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 11:58:50,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 11:58:50,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 11:58:50,902 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 11:58:50,903 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 11:58:50,903 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 11:58:50,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 11:58:50,903 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 11:58:50,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 11:58:50,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 11:58:50,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 11:58:50,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 11:58:50,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 11:58:50,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 11:58:50,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 11:58:50,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 11:58:50,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 11:58:50,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 11:58:50,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 11:58:50,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 11:58:50,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 11:58:50,906 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 11:58:50,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 11:58:50,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 11:58:50,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 11:58:50,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 11:58:50,907 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 11:58:50,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 11:58:50,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 11:58:50,908 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 11:58:50,908 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 11:58:50,908 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 11:58:50,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 11:58:50,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 11:58:50,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 11:58:50,996 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 11:58:50,996 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 11:58:50,997 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-09-10 11:58:51,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821778a8f/83c910f5d87f46b381a326f12aba3b71/FLAGb220fd8dd [2018-09-10 11:58:51,877 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 11:58:51,878 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-09-10 11:58:51,921 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821778a8f/83c910f5d87f46b381a326f12aba3b71/FLAGb220fd8dd [2018-09-10 11:58:51,941 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821778a8f/83c910f5d87f46b381a326f12aba3b71 [2018-09-10 11:58:51,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 11:58:51,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 11:58:51,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 11:58:51,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 11:58:51,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 11:58:51,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:58:51" (1/1) ... [2018-09-10 11:58:51,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94ced69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:51, skipping insertion in model container [2018-09-10 11:58:51,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:58:51" (1/1) ... [2018-09-10 11:58:52,397 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 11:58:53,713 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 11:58:53,733 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 11:58:54,513 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 11:58:54,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54 WrapperNode [2018-09-10 11:58:54,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 11:58:54,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 11:58:54,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 11:58:54,894 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 11:58:54,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:55,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:55,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 11:58:55,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 11:58:55,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 11:58:55,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 11:58:56,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (1/1) ... [2018-09-10 11:58:56,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 11:58:56,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 11:58:56,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 11:58:56,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 11:58:56,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (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 [2018-09-10 11:58:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 11:58:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 11:58:56,458 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 [2018-09-10 11:58:56,459 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 [2018-09-10 11:58:56,459 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_output3 [2018-09-10 11:58:56,459 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_output3 [2018-09-10 11:58:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 11:58:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 11:58:56,459 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_output4 [2018-09-10 11:58:56,460 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_output4 [2018-09-10 11:58:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 11:58:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 11:58:56,460 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 [2018-09-10 11:58:56,460 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 [2018-09-10 11:59:09,542 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 11:59:09,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:59:09 BoogieIcfgContainer [2018-09-10 11:59:09,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 11:59:09,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 11:59:09,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 11:59:09,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 11:59:09,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:58:51" (1/3) ... [2018-09-10 11:59:09,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b89ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:59:09, skipping insertion in model container [2018-09-10 11:59:09,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:58:54" (2/3) ... [2018-09-10 11:59:09,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b89ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:59:09, skipping insertion in model container [2018-09-10 11:59:09,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:59:09" (3/3) ... [2018-09-10 11:59:09,552 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label53_true-unreach-call.c [2018-09-10 11:59:09,562 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 11:59:09,575 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 11:59:09,638 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 11:59:09,638 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 11:59:09,639 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 11:59:09,639 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 11:59:09,639 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 11:59:09,639 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 11:59:09,639 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 11:59:09,639 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 11:59:09,639 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 11:59:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-10 11:59:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-10 11:59:09,689 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:59:09,690 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] [2018-09-10 11:59:09,692 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]=== [2018-09-10 11:59:09,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1712269412, now seen corresponding path program 1 times [2018-09-10 11:59:09,700 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:59:09,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:09,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:59:09,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:09,751 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:59:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:59:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:59:10,157 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:59:10,157 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 11:59:10,158 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:59:10,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 11:59:10,179 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 11:59:10,180 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 11:59:10,183 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-09-10 11:59:19,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:59:19,603 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-09-10 11:59:19,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 11:59:19,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-09-10 11:59:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:59:19,639 INFO L225 Difference]: With dead ends: 3097 [2018-09-10 11:59:19,639 INFO L226 Difference]: Without dead ends: 1975 [2018-09-10 11:59:19,652 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 11:59:19,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-09-10 11:59:19,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-09-10 11:59:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-09-10 11:59:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-09-10 11:59:19,816 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 38 [2018-09-10 11:59:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:59:19,817 INFO L480 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-09-10 11:59:19,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 11:59:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-09-10 11:59:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-10 11:59:19,823 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:59:19,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:59:19,824 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]=== [2018-09-10 11:59:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash 907379828, now seen corresponding path program 1 times [2018-09-10 11:59:19,825 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:59:19,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:19,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:59:19,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:19,826 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:59:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:59:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:59:20,272 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:59:20,272 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 11:59:20,272 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:59:20,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:59:20,276 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:59:20,276 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 11:59:20,276 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-09-10 11:59:38,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:59:38,505 INFO L93 Difference]: Finished difference Result 5737 states and 9691 transitions. [2018-09-10 11:59:38,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 11:59:38,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-09-10 11:59:38,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:59:38,544 INFO L225 Difference]: With dead ends: 5737 [2018-09-10 11:59:38,544 INFO L226 Difference]: Without dead ends: 3769 [2018-09-10 11:59:38,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 11:59:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2018-09-10 11:59:38,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3685. [2018-09-10 11:59:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2018-09-10 11:59:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5659 transitions. [2018-09-10 11:59:38,696 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5659 transitions. Word has length 114 [2018-09-10 11:59:38,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:59:38,697 INFO L480 AbstractCegarLoop]: Abstraction has 3685 states and 5659 transitions. [2018-09-10 11:59:38,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 11:59:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5659 transitions. [2018-09-10 11:59:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-10 11:59:38,711 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:59:38,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:59:38,712 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]=== [2018-09-10 11:59:38,712 INFO L82 PathProgramCache]: Analyzing trace with hash 827735448, now seen corresponding path program 1 times [2018-09-10 11:59:38,712 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:59:38,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:38,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:59:38,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:38,714 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:59:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:59:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:59:38,994 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:59:38,996 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 11:59:38,996 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:59:38,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:59:38,997 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:59:38,997 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 11:59:38,997 INFO L87 Difference]: Start difference. First operand 3685 states and 5659 transitions. Second operand 5 states. [2018-09-10 11:59:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 11:59:54,028 INFO L93 Difference]: Finished difference Result 12383 states and 19152 transitions. [2018-09-10 11:59:54,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 11:59:54,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-09-10 11:59:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 11:59:54,085 INFO L225 Difference]: With dead ends: 12383 [2018-09-10 11:59:54,085 INFO L226 Difference]: Without dead ends: 8704 [2018-09-10 11:59:54,103 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 11:59:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8704 states. [2018-09-10 11:59:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8704 to 8667. [2018-09-10 11:59:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8667 states. [2018-09-10 11:59:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8667 states to 8667 states and 12395 transitions. [2018-09-10 11:59:54,329 INFO L78 Accepts]: Start accepts. Automaton has 8667 states and 12395 transitions. Word has length 128 [2018-09-10 11:59:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 11:59:54,330 INFO L480 AbstractCegarLoop]: Abstraction has 8667 states and 12395 transitions. [2018-09-10 11:59:54,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 11:59:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 8667 states and 12395 transitions. [2018-09-10 11:59:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-10 11:59:54,336 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 11:59:54,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 11:59:54,338 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]=== [2018-09-10 11:59:54,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1440801928, now seen corresponding path program 1 times [2018-09-10 11:59:54,338 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 11:59:54,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:54,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 11:59:54,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 11:59:54,340 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 11:59:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 11:59:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 11:59:54,677 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 11:59:54,677 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 11:59:54,677 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 11:59:54,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 11:59:54,678 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 11:59:54,678 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 11:59:54,679 INFO L87 Difference]: Start difference. First operand 8667 states and 12395 transitions. Second operand 5 states. [2018-09-10 12:00:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:00:35,770 INFO L93 Difference]: Finished difference Result 31347 states and 47348 transitions. [2018-09-10 12:00:35,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:00:35,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-09-10 12:00:35,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:00:35,880 INFO L225 Difference]: With dead ends: 31347 [2018-09-10 12:00:35,881 INFO L226 Difference]: Without dead ends: 22686 [2018-09-10 12:00:35,921 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:00:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22686 states. [2018-09-10 12:00:36,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22686 to 22404. [2018-09-10 12:00:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22404 states. [2018-09-10 12:00:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22404 states to 22404 states and 31708 transitions. [2018-09-10 12:00:36,432 INFO L78 Accepts]: Start accepts. Automaton has 22404 states and 31708 transitions. Word has length 144 [2018-09-10 12:00:36,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:00:36,432 INFO L480 AbstractCegarLoop]: Abstraction has 22404 states and 31708 transitions. [2018-09-10 12:00:36,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:00:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 22404 states and 31708 transitions. [2018-09-10 12:00:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-10 12:00:36,436 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:00:36,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:00:36,437 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]=== [2018-09-10 12:00:36,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1728833332, now seen corresponding path program 1 times [2018-09-10 12:00:36,437 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:00:36,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:00:36,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:00:36,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:00:36,439 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:00:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:00:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:00:36,759 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:00:36,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 12:00:36,759 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:00:36,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:00:36,760 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:00:36,760 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 12:00:36,760 INFO L87 Difference]: Start difference. First operand 22404 states and 31708 transitions. Second operand 5 states. [2018-09-10 12:01:08,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:01:08,539 INFO L93 Difference]: Finished difference Result 62900 states and 92439 transitions. [2018-09-10 12:01:08,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:01:08,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-09-10 12:01:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:01:08,702 INFO L225 Difference]: With dead ends: 62900 [2018-09-10 12:01:08,702 INFO L226 Difference]: Without dead ends: 40502 [2018-09-10 12:01:08,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:01:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40502 states. [2018-09-10 12:01:09,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40502 to 40347. [2018-09-10 12:01:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40347 states. [2018-09-10 12:01:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40347 states to 40347 states and 58367 transitions. [2018-09-10 12:01:09,618 INFO L78 Accepts]: Start accepts. Automaton has 40347 states and 58367 transitions. Word has length 146 [2018-09-10 12:01:09,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:01:09,618 INFO L480 AbstractCegarLoop]: Abstraction has 40347 states and 58367 transitions. [2018-09-10 12:01:09,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:01:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 40347 states and 58367 transitions. [2018-09-10 12:01:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-10 12:01:09,623 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:01:09,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:01:09,623 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]=== [2018-09-10 12:01:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash 956779853, now seen corresponding path program 1 times [2018-09-10 12:01:09,624 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:01:09,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:09,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:01:09,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:09,625 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:01:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:01:09,911 WARN L175 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:01:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:01:10,651 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:01:10,651 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:01:10,651 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:01:10,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:01:10,654 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:01:10,654 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:01:10,655 INFO L87 Difference]: Start difference. First operand 40347 states and 58367 transitions. Second operand 6 states. [2018-09-10 12:01:24,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:01:24,259 INFO L93 Difference]: Finished difference Result 101430 states and 163813 transitions. [2018-09-10 12:01:24,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:01:24,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-09-10 12:01:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:01:24,509 INFO L225 Difference]: With dead ends: 101430 [2018-09-10 12:01:24,510 INFO L226 Difference]: Without dead ends: 61089 [2018-09-10 12:01:24,618 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:01:24,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61089 states. [2018-09-10 12:01:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61089 to 60893. [2018-09-10 12:01:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60893 states. [2018-09-10 12:01:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60893 states to 60893 states and 88513 transitions. [2018-09-10 12:01:26,182 INFO L78 Accepts]: Start accepts. Automaton has 60893 states and 88513 transitions. Word has length 165 [2018-09-10 12:01:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:01:26,183 INFO L480 AbstractCegarLoop]: Abstraction has 60893 states and 88513 transitions. [2018-09-10 12:01:26,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:01:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 60893 states and 88513 transitions. [2018-09-10 12:01:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-10 12:01:26,192 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:01:26,192 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 12:01:26,193 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:01:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1197616128, now seen corresponding path program 1 times [2018-09-10 12:01:26,193 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:01:26,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:26,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:01:26,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:26,194 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:01:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:01:26,470 WARN L175 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:01:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:01:26,893 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:01:26,893 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:01:26,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:01:26,905 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:01:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:01:27,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:01:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-09-10 12:01:27,359 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:01:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:01:27,855 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:01:27,856 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 12 [2018-09-10 12:01:27,856 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:01:27,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:01:27,857 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:01:27,857 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:01:27,857 INFO L87 Difference]: Start difference. First operand 60893 states and 88513 transitions. Second operand 5 states. [2018-09-10 12:01:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:01:43,897 INFO L93 Difference]: Finished difference Result 194384 states and 304858 transitions. [2018-09-10 12:01:43,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 12:01:43,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2018-09-10 12:01:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:01:44,557 INFO L225 Difference]: With dead ends: 194384 [2018-09-10 12:01:44,557 INFO L226 Difference]: Without dead ends: 134301 [2018-09-10 12:01:44,807 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 379 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:01:44,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134301 states. [2018-09-10 12:01:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134301 to 133657. [2018-09-10 12:01:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133657 states. [2018-09-10 12:01:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133657 states to 133657 states and 180978 transitions. [2018-09-10 12:01:48,624 INFO L78 Accepts]: Start accepts. Automaton has 133657 states and 180978 transitions. Word has length 192 [2018-09-10 12:01:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:01:48,624 INFO L480 AbstractCegarLoop]: Abstraction has 133657 states and 180978 transitions. [2018-09-10 12:01:48,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:01:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 133657 states and 180978 transitions. [2018-09-10 12:01:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-09-10 12:01:48,636 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:01:48,637 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 12:01:48,637 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:01:48,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1901090026, now seen corresponding path program 1 times [2018-09-10 12:01:48,638 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:01:48,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:48,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:01:48,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:01:48,639 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:01:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:01:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 139 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:01:49,612 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:01:49,612 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:01:49,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:01:49,620 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:01:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:01:49,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:01:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-10 12:01:49,804 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:01:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-10 12:01:49,942 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 12:01:49,942 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [11] total 12 [2018-09-10 12:01:49,942 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:01:49,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:01:49,943 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:01:49,943 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:01:49,944 INFO L87 Difference]: Start difference. First operand 133657 states and 180978 transitions. Second operand 3 states. [2018-09-10 12:02:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:02:00,313 INFO L93 Difference]: Finished difference Result 276224 states and 378912 transitions. [2018-09-10 12:02:00,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:02:00,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-09-10 12:02:00,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:02:00,768 INFO L225 Difference]: With dead ends: 276224 [2018-09-10 12:02:00,768 INFO L226 Difference]: Without dead ends: 143377 [2018-09-10 12:02:01,021 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 497 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:02:01,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143377 states. [2018-09-10 12:02:03,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143377 to 139356. [2018-09-10 12:02:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139356 states. [2018-09-10 12:02:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139356 states to 139356 states and 176912 transitions. [2018-09-10 12:02:04,026 INFO L78 Accepts]: Start accepts. Automaton has 139356 states and 176912 transitions. Word has length 249 [2018-09-10 12:02:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:02:04,027 INFO L480 AbstractCegarLoop]: Abstraction has 139356 states and 176912 transitions. [2018-09-10 12:02:04,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:02:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 139356 states and 176912 transitions. [2018-09-10 12:02:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-10 12:02:04,039 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:02:04,039 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:02:04,040 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:02:04,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1599708756, now seen corresponding path program 1 times [2018-09-10 12:02:04,040 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:02:04,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:02:04,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:02:04,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:02:04,041 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:02:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:02:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-09-10 12:02:04,327 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:02:04,327 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:02:04,327 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:02:04,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:02:04,328 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:02:04,328 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:02:04,329 INFO L87 Difference]: Start difference. First operand 139356 states and 176912 transitions. Second operand 4 states. [2018-09-10 12:02:20,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:02:20,396 INFO L93 Difference]: Finished difference Result 356711 states and 491558 transitions. [2018-09-10 12:02:20,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:02:20,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 286 [2018-09-10 12:02:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:02:21,167 INFO L225 Difference]: With dead ends: 356711 [2018-09-10 12:02:21,167 INFO L226 Difference]: Without dead ends: 218165 [2018-09-10 12:02:21,436 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:02:21,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218165 states. [2018-09-10 12:02:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218165 to 216447. [2018-09-10 12:02:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216447 states. [2018-09-10 12:02:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216447 states to 216447 states and 285766 transitions. [2018-09-10 12:02:25,660 INFO L78 Accepts]: Start accepts. Automaton has 216447 states and 285766 transitions. Word has length 286 [2018-09-10 12:02:25,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:02:25,661 INFO L480 AbstractCegarLoop]: Abstraction has 216447 states and 285766 transitions. [2018-09-10 12:02:25,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:02:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 216447 states and 285766 transitions. [2018-09-10 12:02:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-09-10 12:02:25,682 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:02:25,682 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 12:02:25,683 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:02:25,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1034346954, now seen corresponding path program 1 times [2018-09-10 12:02:25,683 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:02:25,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:02:25,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:02:25,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:02:25,684 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:02:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:02:31,814 WARN L175 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:02:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 63 proven. 23 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-09-10 12:02:32,333 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:02:32,333 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:02:32,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:02:32,352 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:02:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:02:32,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:02:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:02:32,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:02:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:02:32,978 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:02:32,978 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:02:33,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:02:33,005 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:02:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:02:33,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:02:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-09-10 12:02:33,434 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:02:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-09-10 12:02:33,733 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-10 12:02:33,733 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 5] total 12 [2018-09-10 12:02:33,733 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:02:33,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:02:33,734 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:02:33,734 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-10 12:02:33,734 INFO L87 Difference]: Start difference. First operand 216447 states and 285766 transitions. Second operand 5 states. Received shutdown request... [2018-09-10 12:02:39,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 12:02:39,469 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:02:39,477 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:02:39,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:02:39 BoogieIcfgContainer [2018-09-10 12:02:39,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:02:39,479 INFO L168 Benchmark]: Toolchain (without parser) took 227522.34 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 814.6 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,480 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:02:39,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2932.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,486 INFO L168 Benchmark]: Boogie Preprocessor took 1141.22 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 977.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,487 INFO L168 Benchmark]: RCFGBuilder took 13159.82 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 161.0 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 68.7 MB). Peak memory consumption was 748.4 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,488 INFO L168 Benchmark]: TraceAbstraction took 209934.10 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 516.4 MB. Max. memory is 7.1 GB. [2018-09-10 12:02:39,504 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2932.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 347.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1141.22 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 977.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13159.82 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 161.0 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 68.7 MB). Peak memory consumption was 748.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209934.10 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 516.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (216447states) and FLOYD_HOARE automaton (currently 6 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (190895 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 209.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 180.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5875 SDtfs, 28219 SDslu, 4406 SDs, 0 SdLazy, 58036 SolverSat, 11683 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 153.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2268 GetRequests, 2189 SyntacticMatches, 13 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216447occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 14.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 7138 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2881 NumberOfCodeBlocks, 2881 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3956 ConstructedInterpolants, 0 QuantifiedInterpolants, 3594208 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1974 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 2124/2308 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label53_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-02-39-519.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label53_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-02-39-519.csv Completed graceful shutdown