java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label35_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 11:59:09,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 11:59:09,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 11:59:09,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 11:59:09,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 11:59:09,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 11:59:09,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 11:59:09,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 11:59:09,894 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 11:59:09,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 11:59:09,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 11:59:09,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 11:59:09,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 11:59:09,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 11:59:09,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 11:59:09,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 11:59:09,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 11:59:09,902 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 11:59:09,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 11:59:09,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 11:59:09,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 11:59:09,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 11:59:09,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 11:59:09,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 11:59:09,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 11:59:09,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 11:59:09,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 11:59:09,925 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 11:59:09,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 11:59:09,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 11:59:09,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 11:59:09,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 11:59:09,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 11:59:09,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 11:59:09,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 11:59:09,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 11:59:09,936 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 [2018-07-24 11:59:09,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 11:59:09,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 11:59:09,968 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 11:59:09,968 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 11:59:09,968 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 11:59:09,969 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 11:59:09,969 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 11:59:09,970 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 11:59:09,970 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 11:59:09,970 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 11:59:09,970 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 11:59:09,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 11:59:09,971 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 11:59:09,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 11:59:09,972 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 11:59:09,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 11:59:09,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 11:59:09,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 11:59:09,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 11:59:09,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 11:59:09,975 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 11:59:09,975 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 11:59:09,975 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 11:59:09,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 11:59:09,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 11:59:09,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 11:59:09,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 11:59:09,976 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 11:59:09,976 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 11:59:09,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 11:59:09,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 11:59:09,977 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 11:59:09,977 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 11:59:10,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 11:59:10,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 11:59:10,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 11:59:10,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 11:59:10,061 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 11:59:10,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label35_false-unreach-call.c [2018-07-24 11:59:10,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96492481f/67c24695c07048eba3823421dd7d5862/FLAG6497d7f57 [2018-07-24 11:59:10,982 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 11:59:10,983 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label35_false-unreach-call.c [2018-07-24 11:59:11,027 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96492481f/67c24695c07048eba3823421dd7d5862/FLAG6497d7f57 [2018-07-24 11:59:11,049 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96492481f/67c24695c07048eba3823421dd7d5862 [2018-07-24 11:59:11,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 11:59:11,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 11:59:11,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 11:59:11,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 11:59:11,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 11:59:11,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 11:59:11" (1/1) ... [2018-07-24 11:59:11,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:11, skipping insertion in model container [2018-07-24 11:59:11,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 11:59:11" (1/1) ... [2018-07-24 11:59:11,542 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 11:59:12,773 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 11:59:12,797 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 11:59:13,608 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 11:59:13,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13 WrapperNode [2018-07-24 11:59:13,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 11:59:13,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 11:59:13,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 11:59:13,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 11:59:13,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:14,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:14,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 11:59:14,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 11:59:14,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 11:59:14,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 11:59:15,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (1/1) ... [2018-07-24 11:59:15,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 11:59:15,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 11:59:15,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 11:59:15,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 11:59:15,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (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 [2018-07-24 11:59:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 11:59:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 11:59:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-24 11:59:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-24 11:59:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 11:59:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 11:59:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 11:59:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 11:59:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 11:59:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 11:59:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-24 11:59:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-24 11:59:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 11:59:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 11:59:30,911 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 11:59:30,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 11:59:30 BoogieIcfgContainer [2018-07-24 11:59:30,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 11:59:30,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 11:59:30,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 11:59:30,917 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 11:59:30,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 11:59:11" (1/3) ... [2018-07-24 11:59:30,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d22dfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 11:59:30, skipping insertion in model container [2018-07-24 11:59:30,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 11:59:13" (2/3) ... [2018-07-24 11:59:30,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d22dfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 11:59:30, skipping insertion in model container [2018-07-24 11:59:30,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 11:59:30" (3/3) ... [2018-07-24 11:59:30,921 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label35_false-unreach-call.c [2018-07-24 11:59:30,931 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 11:59:30,940 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 11:59:31,003 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 11:59:31,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 11:59:31,004 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 11:59:31,004 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 11:59:31,005 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 11:59:31,005 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 11:59:31,005 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 11:59:31,005 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 11:59:31,005 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 11:59:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-24 11:59:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-24 11:59:31,056 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 11:59:31,057 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 11:59:31,057 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 11:59:31,062 INFO L82 PathProgramCache]: Analyzing trace with hash -828710509, now seen corresponding path program 1 times [2018-07-24 11:59:31,065 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 11:59:31,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 11:59:31,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 11:59:31,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 11:59:31,111 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 11:59:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 11:59:31,475 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-07-24 11:59:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 11:59:31,483 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 11:59:31,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 11:59:31,484 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 11:59:31,491 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 11:59:31,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 11:59:31,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 11:59:31,510 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-07-24 11:59:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 11:59:46,214 INFO L93 Difference]: Finished difference Result 3968 states and 7392 transitions. [2018-07-24 11:59:46,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 11:59:46,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-07-24 11:59:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 11:59:46,273 INFO L225 Difference]: With dead ends: 3968 [2018-07-24 11:59:46,274 INFO L226 Difference]: Without dead ends: 2842 [2018-07-24 11:59:46,290 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 11:59:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2018-07-24 11:59:46,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 1981. [2018-07-24 11:59:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1981 states. [2018-07-24 11:59:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 3456 transitions. [2018-07-24 11:59:46,462 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 3456 transitions. Word has length 17 [2018-07-24 11:59:46,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 11:59:46,463 INFO L471 AbstractCegarLoop]: Abstraction has 1981 states and 3456 transitions. [2018-07-24 11:59:46,463 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 11:59:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 3456 transitions. [2018-07-24 11:59:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-24 11:59:46,468 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 11:59:46,468 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 11:59:46,468 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 11:59:46,469 INFO L82 PathProgramCache]: Analyzing trace with hash -894785002, now seen corresponding path program 1 times [2018-07-24 11:59:46,469 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 11:59:46,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 11:59:46,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 11:59:46,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 11:59:46,471 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 11:59:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 11:59:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 11:59:46,738 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 11:59:46,738 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 11:59:46,738 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 11:59:46,740 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 11:59:46,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 11:59:46,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 11:59:46,741 INFO L87 Difference]: Start difference. First operand 1981 states and 3456 transitions. Second operand 5 states. [2018-07-24 11:59:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 11:59:59,920 INFO L93 Difference]: Finished difference Result 5673 states and 10081 transitions. [2018-07-24 11:59:59,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 11:59:59,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2018-07-24 11:59:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 11:59:59,951 INFO L225 Difference]: With dead ends: 5673 [2018-07-24 11:59:59,951 INFO L226 Difference]: Without dead ends: 3698 [2018-07-24 11:59:59,960 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 11:59:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2018-07-24 12:00:00,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3687. [2018-07-24 12:00:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3687 states. [2018-07-24 12:00:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 5870 transitions. [2018-07-24 12:00:00,093 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 5870 transitions. Word has length 87 [2018-07-24 12:00:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:00:00,093 INFO L471 AbstractCegarLoop]: Abstraction has 3687 states and 5870 transitions. [2018-07-24 12:00:00,093 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:00:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5870 transitions. [2018-07-24 12:00:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-24 12:00:00,097 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:00:00,097 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:00:00,097 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:00:00,097 INFO L82 PathProgramCache]: Analyzing trace with hash 727971642, now seen corresponding path program 1 times [2018-07-24 12:00:00,098 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:00:00,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:00,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:00,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:00,099 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:00:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:00,304 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:00:00,304 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:00:00,304 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:00:00,305 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:00:00,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:00:00,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:00:00,306 INFO L87 Difference]: Start difference. First operand 3687 states and 5870 transitions. Second operand 5 states. [2018-07-24 12:00:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:00:20,894 INFO L93 Difference]: Finished difference Result 10963 states and 17865 transitions. [2018-07-24 12:00:20,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:00:20,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-07-24 12:00:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:00:20,934 INFO L225 Difference]: With dead ends: 10963 [2018-07-24 12:00:20,934 INFO L226 Difference]: Without dead ends: 7282 [2018-07-24 12:00:20,949 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:00:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7282 states. [2018-07-24 12:00:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7282 to 7175. [2018-07-24 12:00:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7175 states. [2018-07-24 12:00:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7175 states to 7175 states and 10520 transitions. [2018-07-24 12:00:21,181 INFO L78 Accepts]: Start accepts. Automaton has 7175 states and 10520 transitions. Word has length 89 [2018-07-24 12:00:21,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:00:21,182 INFO L471 AbstractCegarLoop]: Abstraction has 7175 states and 10520 transitions. [2018-07-24 12:00:21,182 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:00:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7175 states and 10520 transitions. [2018-07-24 12:00:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-24 12:00:21,189 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:00:21,189 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-24 12:00:21,189 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:00:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash 707578418, now seen corresponding path program 1 times [2018-07-24 12:00:21,190 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:00:21,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:21,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:21,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:21,192 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:00:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:21,394 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:00:21,394 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:00:21,395 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:00:21,395 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:00:21,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:00:21,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:00:21,396 INFO L87 Difference]: Start difference. First operand 7175 states and 10520 transitions. Second operand 3 states. [2018-07-24 12:00:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:00:28,849 INFO L93 Difference]: Finished difference Result 21004 states and 31912 transitions. [2018-07-24 12:00:28,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:00:28,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-07-24 12:00:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:00:28,915 INFO L225 Difference]: With dead ends: 21004 [2018-07-24 12:00:28,916 INFO L226 Difference]: Without dead ends: 13835 [2018-07-24 12:00:28,955 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:00:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13835 states. [2018-07-24 12:00:29,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13835 to 13812. [2018-07-24 12:00:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13812 states. [2018-07-24 12:00:29,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13812 states to 13812 states and 18586 transitions. [2018-07-24 12:00:29,301 INFO L78 Accepts]: Start accepts. Automaton has 13812 states and 18586 transitions. Word has length 133 [2018-07-24 12:00:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:00:29,302 INFO L471 AbstractCegarLoop]: Abstraction has 13812 states and 18586 transitions. [2018-07-24 12:00:29,302 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:00:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 13812 states and 18586 transitions. [2018-07-24 12:00:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-24 12:00:29,304 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:00:29,312 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:00:29,312 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:00:29,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1941896260, now seen corresponding path program 1 times [2018-07-24 12:00:29,312 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:00:29,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:29,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:29,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:29,314 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:00:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:29,482 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:00:29,482 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:00:29,483 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:00:29,483 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:00:29,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:00:29,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:00:29,484 INFO L87 Difference]: Start difference. First operand 13812 states and 18586 transitions. Second operand 3 states. [2018-07-24 12:00:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:00:36,733 INFO L93 Difference]: Finished difference Result 34306 states and 48855 transitions. [2018-07-24 12:00:36,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:00:36,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-07-24 12:00:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:00:36,839 INFO L225 Difference]: With dead ends: 34306 [2018-07-24 12:00:36,839 INFO L226 Difference]: Without dead ends: 20500 [2018-07-24 12:00:36,892 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:00:36,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20500 states. [2018-07-24 12:00:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20500 to 20470. [2018-07-24 12:00:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20470 states. [2018-07-24 12:00:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20470 states to 20470 states and 27159 transitions. [2018-07-24 12:00:37,313 INFO L78 Accepts]: Start accepts. Automaton has 20470 states and 27159 transitions. Word has length 138 [2018-07-24 12:00:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:00:37,314 INFO L471 AbstractCegarLoop]: Abstraction has 20470 states and 27159 transitions. [2018-07-24 12:00:37,314 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:00:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 20470 states and 27159 transitions. [2018-07-24 12:00:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-24 12:00:37,318 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:00:37,319 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:00:37,319 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:00:37,322 INFO L82 PathProgramCache]: Analyzing trace with hash 866058623, now seen corresponding path program 1 times [2018-07-24 12:00:37,322 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:00:37,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:37,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:37,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:00:37,324 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:00:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:37,651 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:00:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:38,010 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:00:38,010 INFO L191 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 [2018-07-24 12:00:38,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:38,028 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:00:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:38,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:00:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:38,643 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:00:38,807 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-07-24 12:00:38,908 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-07-24 12:00:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:39,342 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:00:39,342 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:00:39,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:00:39,372 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:00:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:00:39,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:00:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:39,677 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:00:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:00:39,926 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:00:39,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 12:00:39,926 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:00:39,927 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:00:39,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:00:39,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:00:39,928 INFO L87 Difference]: Start difference. First operand 20470 states and 27159 transitions. Second operand 9 states. [2018-07-24 12:01:03,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:01:03,266 INFO L93 Difference]: Finished difference Result 85036 states and 120627 transitions. [2018-07-24 12:01:03,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 12:01:03,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-07-24 12:01:03,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:01:03,590 INFO L225 Difference]: With dead ends: 85036 [2018-07-24 12:01:03,590 INFO L226 Difference]: Without dead ends: 64572 [2018-07-24 12:01:03,700 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 826 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-07-24 12:01:03,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64572 states. [2018-07-24 12:01:05,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64572 to 64411. [2018-07-24 12:01:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64411 states. [2018-07-24 12:01:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64411 states to 64411 states and 82650 transitions. [2018-07-24 12:01:05,249 INFO L78 Accepts]: Start accepts. Automaton has 64411 states and 82650 transitions. Word has length 208 [2018-07-24 12:01:05,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:01:05,250 INFO L471 AbstractCegarLoop]: Abstraction has 64411 states and 82650 transitions. [2018-07-24 12:01:05,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:01:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 64411 states and 82650 transitions. [2018-07-24 12:01:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-24 12:01:05,256 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:01:05,256 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:01:05,256 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:01:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1769949188, now seen corresponding path program 1 times [2018-07-24 12:01:05,257 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:01:05,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:05,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:05,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:05,258 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:01:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:01:05,519 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:01:05,519 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:01:05,519 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:01:05,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:01:05,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:01:05,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:01:05,521 INFO L87 Difference]: Start difference. First operand 64411 states and 82650 transitions. Second operand 4 states. [2018-07-24 12:01:15,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:01:15,574 INFO L93 Difference]: Finished difference Result 137704 states and 177676 transitions. [2018-07-24 12:01:15,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:01:15,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2018-07-24 12:01:15,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:01:15,841 INFO L225 Difference]: With dead ends: 137704 [2018-07-24 12:01:15,842 INFO L226 Difference]: Without dead ends: 73299 [2018-07-24 12:01:15,977 INFO L573 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 [2018-07-24 12:01:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73299 states. [2018-07-24 12:01:17,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73299 to 71690. [2018-07-24 12:01:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71690 states. [2018-07-24 12:01:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71690 states to 71690 states and 84882 transitions. [2018-07-24 12:01:17,164 INFO L78 Accepts]: Start accepts. Automaton has 71690 states and 84882 transitions. Word has length 212 [2018-07-24 12:01:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:01:17,165 INFO L471 AbstractCegarLoop]: Abstraction has 71690 states and 84882 transitions. [2018-07-24 12:01:17,165 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:01:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 71690 states and 84882 transitions. [2018-07-24 12:01:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-24 12:01:17,175 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:01:17,176 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:01:17,176 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:01:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash -513915706, now seen corresponding path program 1 times [2018-07-24 12:01:17,176 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:01:17,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:17,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:17,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:17,178 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:01:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 198 proven. 71 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-07-24 12:01:18,278 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:01:18,278 INFO L191 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 [2018-07-24 12:01:18,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:18,288 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:01:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:18,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:01:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-07-24 12:01:18,527 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:01:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-07-24 12:01:18,855 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:01:18,855 INFO L191 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 [2018-07-24 12:01:18,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:18,872 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:01:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:19,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:01:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 198 proven. 6 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-07-24 12:01:19,250 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:01:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 200 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-07-24 12:01:19,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:01:19,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-07-24 12:01:19,680 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:01:19,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:01:19,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:01:19,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:01:19,681 INFO L87 Difference]: Start difference. First operand 71690 states and 84882 transitions. Second operand 9 states. [2018-07-24 12:01:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:01:42,049 INFO L93 Difference]: Finished difference Result 186670 states and 247437 transitions. [2018-07-24 12:01:42,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-24 12:01:42,049 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 292 [2018-07-24 12:01:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:01:42,529 INFO L225 Difference]: With dead ends: 186670 [2018-07-24 12:01:42,529 INFO L226 Difference]: Without dead ends: 114986 [2018-07-24 12:01:42,646 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1192 GetRequests, 1168 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2018-07-24 12:01:42,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114986 states. [2018-07-24 12:01:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114986 to 113062. [2018-07-24 12:01:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113062 states. [2018-07-24 12:01:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113062 states to 113062 states and 141731 transitions. [2018-07-24 12:01:44,972 INFO L78 Accepts]: Start accepts. Automaton has 113062 states and 141731 transitions. Word has length 292 [2018-07-24 12:01:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:01:44,972 INFO L471 AbstractCegarLoop]: Abstraction has 113062 states and 141731 transitions. [2018-07-24 12:01:44,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:01:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 113062 states and 141731 transitions. [2018-07-24 12:01:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-07-24 12:01:45,023 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:01:45,023 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:01:45,024 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:01:45,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2062872129, now seen corresponding path program 1 times [2018-07-24 12:01:45,024 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:01:45,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:45,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:45,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:01:45,026 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:01:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 240 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 12:01:45,879 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:01:45,879 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-07-24 12:01:45,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:45,897 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:01:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:46,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:01:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 240 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 12:01:46,244 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:01:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 240 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 12:01:47,132 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:01:47,133 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:01:47,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:01:47,149 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:01:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:01:47,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:01:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 240 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 12:01:47,560 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:01:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 240 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 12:01:47,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:01:47,807 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-07-24 12:01:47,807 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:01:47,809 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:01:47,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:01:47,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:01:47,810 INFO L87 Difference]: Start difference. First operand 113062 states and 141731 transitions. Second operand 9 states. [2018-07-24 12:02:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:02:14,396 INFO L93 Difference]: Finished difference Result 244875 states and 329612 transitions. [2018-07-24 12:02:14,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-24 12:02:14,397 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 381 [2018-07-24 12:02:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:02:14,858 INFO L225 Difference]: With dead ends: 244875 [2018-07-24 12:02:14,858 INFO L226 Difference]: Without dead ends: 131819 [2018-07-24 12:02:15,059 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1558 GetRequests, 1530 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2018-07-24 12:02:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131819 states. [2018-07-24 12:02:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131819 to 129838. [2018-07-24 12:02:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129838 states. [2018-07-24 12:02:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129838 states to 129838 states and 145986 transitions. [2018-07-24 12:02:17,210 INFO L78 Accepts]: Start accepts. Automaton has 129838 states and 145986 transitions. Word has length 381 [2018-07-24 12:02:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:02:17,210 INFO L471 AbstractCegarLoop]: Abstraction has 129838 states and 145986 transitions. [2018-07-24 12:02:17,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:02:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 129838 states and 145986 transitions. [2018-07-24 12:02:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-24 12:02:17,243 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:02:17,244 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:02:17,244 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:02:17,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2070212909, now seen corresponding path program 1 times [2018-07-24 12:02:17,244 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:02:17,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:17,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:17,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:17,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:02:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 238 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-07-24 12:02:17,824 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:02:17,824 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:02:17,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:17,835 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:02:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:17,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:02:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-07-24 12:02:19,204 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:02:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-07-24 12:02:19,395 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:02:19,396 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:02:19,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:19,413 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:02:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:19,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:02:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 238 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-07-24 12:02:19,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:02:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 240 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-07-24 12:02:20,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:02:20,126 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 12 [2018-07-24 12:02:20,126 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:02:20,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 12:02:20,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 12:02:20,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:02:20,127 INFO L87 Difference]: Start difference. First operand 129838 states and 145986 transitions. Second operand 8 states. [2018-07-24 12:02:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:02:30,839 INFO L93 Difference]: Finished difference Result 253925 states and 287558 transitions. [2018-07-24 12:02:30,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 12:02:30,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 402 [2018-07-24 12:02:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:02:31,200 INFO L225 Difference]: With dead ends: 253925 [2018-07-24 12:02:31,200 INFO L226 Difference]: Without dead ends: 124098 [2018-07-24 12:02:31,371 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1623 GetRequests, 1607 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2018-07-24 12:02:31,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124098 states. [2018-07-24 12:02:33,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124098 to 123816. [2018-07-24 12:02:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123816 states. [2018-07-24 12:02:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123816 states to 123816 states and 137412 transitions. [2018-07-24 12:02:33,769 INFO L78 Accepts]: Start accepts. Automaton has 123816 states and 137412 transitions. Word has length 402 [2018-07-24 12:02:33,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:02:33,770 INFO L471 AbstractCegarLoop]: Abstraction has 123816 states and 137412 transitions. [2018-07-24 12:02:33,770 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 12:02:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 123816 states and 137412 transitions. [2018-07-24 12:02:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2018-07-24 12:02:33,842 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:02:33,842 INFO L353 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:02:33,843 INFO L414 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:02:33,843 INFO L82 PathProgramCache]: Analyzing trace with hash -58719243, now seen corresponding path program 1 times [2018-07-24 12:02:33,843 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:02:33,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:33,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:33,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:33,844 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:02:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-07-24 12:02:34,415 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:02:34,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:02:34,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:02:34,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:02:34,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:02:34,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:02:34,417 INFO L87 Difference]: Start difference. First operand 123816 states and 137412 transitions. Second operand 4 states. [2018-07-24 12:02:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:02:49,581 INFO L93 Difference]: Finished difference Result 414709 states and 465903 transitions. [2018-07-24 12:02:49,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:02:49,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 489 [2018-07-24 12:02:49,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:02:51,361 INFO L225 Difference]: With dead ends: 414709 [2018-07-24 12:02:51,361 INFO L226 Difference]: Without dead ends: 290904 [2018-07-24 12:02:51,499 INFO L573 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 [2018-07-24 12:02:51,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290904 states. [2018-07-24 12:02:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290904 to 255492. [2018-07-24 12:02:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255492 states. [2018-07-24 12:02:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255492 states to 255492 states and 285909 transitions. [2018-07-24 12:02:55,533 INFO L78 Accepts]: Start accepts. Automaton has 255492 states and 285909 transitions. Word has length 489 [2018-07-24 12:02:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:02:55,534 INFO L471 AbstractCegarLoop]: Abstraction has 255492 states and 285909 transitions. [2018-07-24 12:02:55,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:02:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 255492 states and 285909 transitions. [2018-07-24 12:02:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2018-07-24 12:02:55,640 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:02:55,641 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 12:02:55,641 INFO L414 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:02:55,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1362177433, now seen corresponding path program 1 times [2018-07-24 12:02:55,642 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:02:55,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:55,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:55,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:02:55,643 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:02:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 260 proven. 167 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-07-24 12:02:57,198 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:02:57,198 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:02:57,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:02:57,207 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:02:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:02:57,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:02:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-07-24 12:02:58,198 INFO L316 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-07-24 12:03:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 40 proven. 313 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-07-24 12:03:03,336 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:03:03,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-07-24 12:03:03,337 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:03:03,337 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:03:03,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:03:03,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:03:03,338 INFO L87 Difference]: Start difference. First operand 255492 states and 285909 transitions. Second operand 5 states. [2018-07-24 12:03:03,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-24 12:03:03,339 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:03:03,344 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:03:03,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:03:03 BoogieIcfgContainer [2018-07-24 12:03:03,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:03:03,345 INFO L168 Benchmark]: Toolchain (without parser) took 232283.05 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.2 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-24 12:03:03,346 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-07-24 12:03:03,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2923.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:03:03,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 325.69 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: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:03:03,352 INFO L168 Benchmark]: Boogie Preprocessor took 1349.46 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 993.5 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. [2018-07-24 12:03:03,352 INFO L168 Benchmark]: RCFGBuilder took 15248.45 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 157.8 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 90.4 MB). Peak memory consumption was 744.7 MB. Max. memory is 7.1 GB. [2018-07-24 12:03:03,353 INFO L168 Benchmark]: TraceAbstraction took 212430.92 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 795.4 MB. Max. memory is 7.1 GB. [2018-07-24 12:03:03,359 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 2923.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 325.69 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: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1349.46 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 993.5 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 15248.45 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 157.8 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 90.4 MB). Peak memory consumption was 744.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212430.92 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 795.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 42). Cancelled while BasicCegarLoop was constructing difference of abstraction (255492states) and interpolant automaton (currently 2 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 212.3s OverallTime, 12 OverallIterations, 5 TraceHistogramMax, 176.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8558 SDtfs, 40461 SDslu, 6741 SDs, 0 SdLazy, 77047 SolverSat, 16042 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 140.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6571 GetRequests, 6456 SyntacticMatches, 14 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255492occurred in iteration=11, 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: 14.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 42401 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 6322 NumberOfCodeBlocks, 6322 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 9512 ConstructedInterpolants, 0 QuantifiedInterpolants, 9545804 SizeOfPredicates, 5 NumberOfNonLiveVariables, 5547 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 30 InterpolantComputations, 8 PerfectInterpolantSequences, 6952/7557 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_label35_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-03-03-375.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label35_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-03-03-375.csv Completed graceful shutdown