java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:33:39,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:33:39,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:33:39,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:33:39,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:33:39,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:33:39,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:33:39,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:33:39,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:33:39,992 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:33:39,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:33:39,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:33:39,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:33:39,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:33:39,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:33:39,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:33:39,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:33:40,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:33:40,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:33:40,004 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:33:40,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:33:40,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:33:40,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:33:40,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:33:40,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:33:40,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:33:40,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:33:40,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:33:40,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:33:40,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:33:40,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:33:40,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:33:40,016 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:33:40,016 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:33:40,017 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:33:40,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:33:40,018 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:33:40,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:33:40,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:33:40,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:33:40,035 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:33:40,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:33:40,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:33:40,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:33:40,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:33:40,037 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:33:40,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:33:40,037 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:33:40,037 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:33:40,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:33:40,038 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:33:40,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:33:40,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:33:40,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:33:40,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:33:40,039 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:33:40,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:33:40,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:33:40,040 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:33:40,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:33:40,040 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:33:40,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:33:40,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:33:40,041 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:33:40,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:33:40,041 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:33:40,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:33:40,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:33:40,042 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:33:40,042 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:33:40,042 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:33:40,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:33:40,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:33:40,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:33:40,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:33:40,115 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:33:40,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c [2018-09-18 12:33:40,466 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ef2e3d3/a2e95025f31846e4a4aa77b6bec90b56/FLAG24e3e6fd4 [2018-09-18 12:33:41,099 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:33:41,101 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c [2018-09-18 12:33:41,150 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ef2e3d3/a2e95025f31846e4a4aa77b6bec90b56/FLAG24e3e6fd4 [2018-09-18 12:33:41,173 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22ef2e3d3/a2e95025f31846e4a4aa77b6bec90b56 [2018-09-18 12:33:41,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:33:41,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:33:41,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:33:41,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:33:41,206 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:33:41,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:33:41" (1/1) ... [2018-09-18 12:33:41,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23dbdfcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:41, skipping insertion in model container [2018-09-18 12:33:41,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:33:41" (1/1) ... [2018-09-18 12:33:41,226 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:33:43,287 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:33:43,308 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:33:44,272 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:33:44,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44 WrapperNode [2018-09-18 12:33:44,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:33:44,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:33:44,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:33:44,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:33:44,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:45,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:45,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:33:45,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:33:45,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:33:45,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:33:46,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:46,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... [2018-09-18 12:33:47,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:33:47,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:33:47,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:33:47,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:33:47,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:33:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:33:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:33:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:33:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:33:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:33:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:33:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:33:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:33:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:33:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:33:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:33:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:33:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:33:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:33:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:33:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:33:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:33:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:34:05,879 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:34:05,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:34:05 BoogieIcfgContainer [2018-09-18 12:34:05,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:34:05,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:34:05,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:34:05,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:34:05,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:33:41" (1/3) ... [2018-09-18 12:34:05,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:34:05, skipping insertion in model container [2018-09-18 12:34:05,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:33:44" (2/3) ... [2018-09-18 12:34:05,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:34:05, skipping insertion in model container [2018-09-18 12:34:05,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:34:05" (3/3) ... [2018-09-18 12:34:05,888 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label38_true-unreach-call.c [2018-09-18 12:34:05,898 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:34:05,908 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:34:05,988 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:34:05,989 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:34:05,989 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:34:05,989 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:34:05,989 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:34:05,989 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:34:05,990 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:34:05,990 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:34:05,990 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:34:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:34:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-18 12:34:06,081 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:06,084 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:06,085 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:06,091 INFO L82 PathProgramCache]: Analyzing trace with hash -217079404, now seen corresponding path program 1 times [2018-09-18 12:34:06,094 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:06,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:06,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:06,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:06,143 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:06,664 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:34:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:06,809 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:06,810 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:34:06,810 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:06,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:34:06,832 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:34:06,832 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:34:06,836 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:34:21,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:21,594 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-09-18 12:34:21,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:34:21,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-09-18 12:34:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:21,647 INFO L225 Difference]: With dead ends: 4999 [2018-09-18 12:34:21,648 INFO L226 Difference]: Without dead ends: 3219 [2018-09-18 12:34:21,661 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:34:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-09-18 12:34:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-09-18 12:34:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-18 12:34:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-09-18 12:34:21,898 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 66 [2018-09-18 12:34:21,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:21,900 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-09-18 12:34:21,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:34:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-09-18 12:34:21,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-18 12:34:21,916 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:21,916 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:21,917 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:21,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1232037643, now seen corresponding path program 1 times [2018-09-18 12:34:21,917 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:21,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:21,923 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:22,296 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:34:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:22,678 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:22,678 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:34:22,678 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:22,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:34:22,681 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:34:22,682 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:34:22,682 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-09-18 12:34:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:50,945 INFO L93 Difference]: Finished difference Result 9331 states and 16910 transitions. [2018-09-18 12:34:50,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:34:50,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-09-18 12:34:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:50,988 INFO L225 Difference]: With dead ends: 9331 [2018-09-18 12:34:50,989 INFO L226 Difference]: Without dead ends: 6122 [2018-09-18 12:34:51,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:34:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-09-18 12:34:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6084. [2018-09-18 12:34:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6084 states. [2018-09-18 12:34:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6084 states to 6084 states and 9616 transitions. [2018-09-18 12:34:51,181 INFO L78 Accepts]: Start accepts. Automaton has 6084 states and 9616 transitions. Word has length 138 [2018-09-18 12:34:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:51,181 INFO L480 AbstractCegarLoop]: Abstraction has 6084 states and 9616 transitions. [2018-09-18 12:34:51,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:34:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 6084 states and 9616 transitions. [2018-09-18 12:34:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-18 12:34:51,194 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:51,195 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:51,195 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:51,195 INFO L82 PathProgramCache]: Analyzing trace with hash -226672055, now seen corresponding path program 1 times [2018-09-18 12:34:51,195 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:51,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:51,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:51,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:51,197 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:51,525 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:51,525 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:34:51,525 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:51,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:34:51,526 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:34:51,526 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:34:51,527 INFO L87 Difference]: Start difference. First operand 6084 states and 9616 transitions. Second operand 6 states. [2018-09-18 12:35:37,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:37,949 INFO L93 Difference]: Finished difference Result 24241 states and 39700 transitions. [2018-09-18 12:35:37,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-18 12:35:37,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-09-18 12:35:37,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:38,057 INFO L225 Difference]: With dead ends: 24241 [2018-09-18 12:35:38,057 INFO L226 Difference]: Without dead ends: 18163 [2018-09-18 12:35:38,095 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-18 12:35:38,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18163 states. [2018-09-18 12:35:38,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18163 to 18089. [2018-09-18 12:35:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18089 states. [2018-09-18 12:35:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18089 states to 18089 states and 25630 transitions. [2018-09-18 12:35:38,604 INFO L78 Accepts]: Start accepts. Automaton has 18089 states and 25630 transitions. Word has length 156 [2018-09-18 12:35:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:38,604 INFO L480 AbstractCegarLoop]: Abstraction has 18089 states and 25630 transitions. [2018-09-18 12:35:38,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:35:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 18089 states and 25630 transitions. [2018-09-18 12:35:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-09-18 12:35:38,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:38,617 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:35:38,617 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash -294519992, now seen corresponding path program 1 times [2018-09-18 12:35:38,618 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:38,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:38,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:38,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:38,619 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:35:38,951 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:35:38,951 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:35:38,951 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:35:38,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:35:38,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:35:38,952 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:35:38,952 INFO L87 Difference]: Start difference. First operand 18089 states and 25630 transitions. Second operand 5 states. [2018-09-18 12:36:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:36:07,929 INFO L93 Difference]: Finished difference Result 56344 states and 85034 transitions. [2018-09-18 12:36:07,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:36:07,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2018-09-18 12:36:07,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:36:08,101 INFO L225 Difference]: With dead ends: 56344 [2018-09-18 12:36:08,102 INFO L226 Difference]: Without dead ends: 38261 [2018-09-18 12:36:08,177 INFO L604 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 [2018-09-18 12:36:08,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38261 states. [2018-09-18 12:36:08,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38261 to 37187. [2018-09-18 12:36:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37187 states. [2018-09-18 12:36:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37187 states to 37187 states and 50452 transitions. [2018-09-18 12:36:09,077 INFO L78 Accepts]: Start accepts. Automaton has 37187 states and 50452 transitions. Word has length 201 [2018-09-18 12:36:09,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:36:09,079 INFO L480 AbstractCegarLoop]: Abstraction has 37187 states and 50452 transitions. [2018-09-18 12:36:09,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:36:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37187 states and 50452 transitions. [2018-09-18 12:36:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-09-18 12:36:09,089 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:36:09,089 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 12:36:09,090 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:36:09,090 INFO L82 PathProgramCache]: Analyzing trace with hash 548752070, now seen corresponding path program 1 times [2018-09-18 12:36:09,090 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:36:09,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:09,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:09,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:09,092 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:36:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 118 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:36:09,605 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:36:09,605 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:36:09,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:09,626 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:36:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:09,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:36:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-18 12:36:09,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:36:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 118 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:36:10,963 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:36:10,964 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-09-18 12:36:10,964 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:36:10,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:36:10,965 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:36:10,965 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:36:10,965 INFO L87 Difference]: Start difference. First operand 37187 states and 50452 transitions. Second operand 5 states. [2018-09-18 12:36:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:36:34,617 INFO L93 Difference]: Finished difference Result 112897 states and 161441 transitions. [2018-09-18 12:36:34,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:36:34,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2018-09-18 12:36:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:36:34,964 INFO L225 Difference]: With dead ends: 112897 [2018-09-18 12:36:34,965 INFO L226 Difference]: Without dead ends: 75716 [2018-09-18 12:36:35,086 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:36:35,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75716 states. [2018-09-18 12:36:36,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75716 to 74104. [2018-09-18 12:36:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74104 states. [2018-09-18 12:36:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74104 states to 74104 states and 98910 transitions. [2018-09-18 12:36:36,826 INFO L78 Accepts]: Start accepts. Automaton has 74104 states and 98910 transitions. Word has length 221 [2018-09-18 12:36:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:36:36,826 INFO L480 AbstractCegarLoop]: Abstraction has 74104 states and 98910 transitions. [2018-09-18 12:36:36,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:36:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 74104 states and 98910 transitions. [2018-09-18 12:36:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-09-18 12:36:36,833 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:36:36,833 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:36:36,833 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:36:36,834 INFO L82 PathProgramCache]: Analyzing trace with hash 876959278, now seen corresponding path program 1 times [2018-09-18 12:36:36,834 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:36:36,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:36,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:36,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:36,835 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:36:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:37,128 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:36:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 118 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:36:37,529 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:36:37,529 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:36:37,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:37,548 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:36:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:37,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:36:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-18 12:36:37,990 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:36:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 118 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:36:38,182 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:36:38,183 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-18 12:36:38,183 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:36:38,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:36:38,184 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:36:38,184 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-18 12:36:38,184 INFO L87 Difference]: Start difference. First operand 74104 states and 98910 transitions. Second operand 5 states. [2018-09-18 12:37:05,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:05,624 INFO L93 Difference]: Finished difference Result 235067 states and 354366 transitions. [2018-09-18 12:37:05,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:37:05,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2018-09-18 12:37:05,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:06,266 INFO L225 Difference]: With dead ends: 235067 [2018-09-18 12:37:06,266 INFO L226 Difference]: Without dead ends: 160969 [2018-09-18 12:37:06,521 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 468 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-18 12:37:06,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160969 states. [2018-09-18 12:37:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160969 to 159173. [2018-09-18 12:37:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159173 states. [2018-09-18 12:37:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159173 states to 159173 states and 221562 transitions. [2018-09-18 12:37:10,854 INFO L78 Accepts]: Start accepts. Automaton has 159173 states and 221562 transitions. Word has length 237 [2018-09-18 12:37:10,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:10,854 INFO L480 AbstractCegarLoop]: Abstraction has 159173 states and 221562 transitions. [2018-09-18 12:37:10,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:37:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 159173 states and 221562 transitions. [2018-09-18 12:37:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-09-18 12:37:10,891 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:10,892 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:37:10,892 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:10,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1555605596, now seen corresponding path program 1 times [2018-09-18 12:37:10,893 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:10,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:10,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:10,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:10,894 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 279 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-18 12:37:11,663 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:37:11,663 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:37:11,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:11,672 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:37:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:11,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:37:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-18 12:37:13,212 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:37:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 279 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-18 12:37:13,565 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:37:13,565 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:37:13,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:13,582 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:37:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:13,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:37:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-18 12:37:14,174 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:37:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 279 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-18 12:37:14,436 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:37:14,436 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-18 12:37:14,436 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:37:14,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:37:14,438 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:37:14,438 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-18 12:37:14,438 INFO L87 Difference]: Start difference. First operand 159173 states and 221562 transitions. Second operand 9 states. Received shutdown request... [2018-09-18 12:37:36,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-09-18 12:37:36,933 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:37:36,938 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:37:36,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:37:36 BoogieIcfgContainer [2018-09-18 12:37:36,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:37:36,939 INFO L168 Benchmark]: Toolchain (without parser) took 235751.18 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -928.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,940 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:37:36,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3698.80 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 210.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -129.1 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 345.19 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,943 INFO L168 Benchmark]: Boogie Preprocessor took 1827.51 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 855.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -862.1 MB). Peak memory consumption was 126.0 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,944 INFO L168 Benchmark]: RCFGBuilder took 18811.82 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 280.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 104.1 MB). Peak memory consumption was 999.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,945 INFO L168 Benchmark]: TraceAbstraction took 211057.88 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 637.5 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -105.1 MB). Peak memory consumption was 532.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:36,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3698.80 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 210.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -129.1 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 345.19 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1827.51 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 855.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -862.1 MB). Peak memory consumption was 126.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18811.82 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 280.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 104.1 MB). Peak memory consumption was 999.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211057.88 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 637.5 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -105.1 MB). Peak memory consumption was 532.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 193). Cancelled while BasicCegarLoop was constructing difference of abstraction (159173states) and FLOYD_HOARE automaton (currently 49 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (110819 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.9s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 193.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3809 SDtfs, 41124 SDslu, 5372 SDs, 0 SdLazy, 76846 SolverSat, 16455 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 167.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3151 GetRequests, 3044 SyntacticMatches, 9 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159173occurred in iteration=6, 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: 7.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 4598 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 3049 NumberOfCodeBlocks, 3049 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4540 ConstructedInterpolants, 0 QuantifiedInterpolants, 3642066 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2438 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 3300/3864 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/Problem19_label38_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-37-36-965.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label38_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-37-36-965.csv Completed graceful shutdown