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/Problem03_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:28:21,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:28:21,018 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:28:21,032 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:28:21,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:28:21,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:28:21,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:28:21,037 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:28:21,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:28:21,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:28:21,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:28:21,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:28:21,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:28:21,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:28:21,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:28:21,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:28:21,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:28:21,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:28:21,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:28:21,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:28:21,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:28:21,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:28:21,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 10:28:21,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 10:28:21,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 10:28:21,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 10:28:21,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 10:28:21,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 10:28:21,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 10:28:21,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 10:28:21,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 10:28:21,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 10:28:21,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 10:28:21,067 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 10:28:21,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 10:28:21,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 10:28:21,071 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 10:28:21,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:28:21,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:28:21,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:28:21,093 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:28:21,094 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:28:21,094 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:28:21,094 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:28:21,094 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:28:21,095 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:28:21,095 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:28:21,095 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:28:21,096 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:28:21,096 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:28:21,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:28:21,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:28:21,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:28:21,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:28:21,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:28:21,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:28:21,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:28:21,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:28:21,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:28:21,098 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:28:21,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:28:21,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:28:21,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:28:21,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:28:21,099 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:28:21,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:28:21,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:28:21,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:28:21,101 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:28:21,101 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:28:21,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:28:21,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:28:21,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:28:21,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:28:21,194 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:28:21,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-09-10 10:28:21,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef26f0d68/aea7e2b138bf4dbdba38e1f0b8f9d259/FLAG705b663ac [2018-09-10 10:28:21,897 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:28:21,898 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-09-10 10:28:21,927 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef26f0d68/aea7e2b138bf4dbdba38e1f0b8f9d259/FLAG705b663ac [2018-09-10 10:28:21,948 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef26f0d68/aea7e2b138bf4dbdba38e1f0b8f9d259 [2018-09-10 10:28:21,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:28:21,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:28:21,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:28:21,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:28:21,971 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:28:21,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:28:21" (1/1) ... [2018-09-10 10:28:21,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b4ff69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:21, skipping insertion in model container [2018-09-10 10:28:21,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:28:21" (1/1) ... [2018-09-10 10:28:22,218 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:28:22,706 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:28:22,728 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:28:23,058 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:28:23,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23 WrapperNode [2018-09-10 10:28:23,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:28:23,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:28:23,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:28:23,133 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:28:23,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:28:23,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:28:23,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:28:23,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:28:23,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... [2018-09-10 10:28:23,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:28:23,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:28:23,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:28:23,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:28:23,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:28:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:28:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:28:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 10:28:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 10:28:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:28:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:28:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:28:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:28:28,629 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:28:28,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:28:28 BoogieIcfgContainer [2018-09-10 10:28:28,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:28:28,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:28:28,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:28:28,634 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:28:28,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:28:21" (1/3) ... [2018-09-10 10:28:28,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668be71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:28:28, skipping insertion in model container [2018-09-10 10:28:28,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:28:23" (2/3) ... [2018-09-10 10:28:28,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668be71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:28:28, skipping insertion in model container [2018-09-10 10:28:28,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:28:28" (3/3) ... [2018-09-10 10:28:28,638 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-09-10 10:28:28,647 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:28:28,655 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:28:28,708 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:28:28,709 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:28:28,709 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:28:28,709 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:28:28,709 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:28:28,710 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:28:28,710 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:28:28,710 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:28:28,710 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:28:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-09-10 10:28:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-10 10:28:28,758 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:28,759 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:28:28,760 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 507680593, now seen corresponding path program 1 times [2018-09-10 10:28:28,768 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:28,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:28,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:28,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:28,812 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:30,023 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:30,023 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 10:28:30,023 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:30,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 10:28:30,048 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 10:28:30,049 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 10:28:30,052 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-09-10 10:28:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:33,488 INFO L93 Difference]: Finished difference Result 1085 states and 1949 transitions. [2018-09-10 10:28:33,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 10:28:33,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2018-09-10 10:28:33,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:33,514 INFO L225 Difference]: With dead ends: 1085 [2018-09-10 10:28:33,515 INFO L226 Difference]: Without dead ends: 767 [2018-09-10 10:28:33,526 INFO L604 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 [2018-09-10 10:28:33,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-09-10 10:28:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 523. [2018-09-10 10:28:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-09-10 10:28:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 922 transitions. [2018-09-10 10:28:33,642 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 922 transitions. Word has length 186 [2018-09-10 10:28:33,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:33,644 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 922 transitions. [2018-09-10 10:28:33,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 10:28:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 922 transitions. [2018-09-10 10:28:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-09-10 10:28:33,654 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:33,654 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-10 10:28:33,655 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -643742720, now seen corresponding path program 1 times [2018-09-10 10:28:33,655 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:33,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:33,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:33,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:33,660 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:34,021 WARN L175 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 10:28:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:34,081 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:34,081 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 10:28:34,081 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:34,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:28:34,085 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:28:34,085 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:28:34,086 INFO L87 Difference]: Start difference. First operand 523 states and 922 transitions. Second operand 5 states. [2018-09-10 10:28:38,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:38,087 INFO L93 Difference]: Finished difference Result 1608 states and 2930 transitions. [2018-09-10 10:28:38,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:28:38,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-09-10 10:28:38,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:38,102 INFO L225 Difference]: With dead ends: 1608 [2018-09-10 10:28:38,102 INFO L226 Difference]: Without dead ends: 1091 [2018-09-10 10:28:38,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 10:28:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2018-09-10 10:28:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 845. [2018-09-10 10:28:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2018-09-10 10:28:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1403 transitions. [2018-09-10 10:28:38,160 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1403 transitions. Word has length 197 [2018-09-10 10:28:38,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:38,160 INFO L480 AbstractCegarLoop]: Abstraction has 845 states and 1403 transitions. [2018-09-10 10:28:38,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:28:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1403 transitions. [2018-09-10 10:28:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-10 10:28:38,167 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:38,167 INFO L376 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] [2018-09-10 10:28:38,168 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash 754004949, now seen corresponding path program 1 times [2018-09-10 10:28:38,168 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:38,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:38,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:38,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:38,170 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:38,456 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:38,456 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 10:28:38,456 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:38,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:28:38,457 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:28:38,457 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 10:28:38,458 INFO L87 Difference]: Start difference. First operand 845 states and 1403 transitions. Second operand 3 states. [2018-09-10 10:28:40,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:40,609 INFO L93 Difference]: Finished difference Result 2411 states and 4122 transitions. [2018-09-10 10:28:40,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:28:40,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-09-10 10:28:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:40,630 INFO L225 Difference]: With dead ends: 2411 [2018-09-10 10:28:40,631 INFO L226 Difference]: Without dead ends: 1572 [2018-09-10 10:28:40,636 INFO L604 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 [2018-09-10 10:28:40,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2018-09-10 10:28:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1566. [2018-09-10 10:28:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1566 states. [2018-09-10 10:28:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2498 transitions. [2018-09-10 10:28:40,714 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2498 transitions. Word has length 199 [2018-09-10 10:28:40,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:40,718 INFO L480 AbstractCegarLoop]: Abstraction has 1566 states and 2498 transitions. [2018-09-10 10:28:40,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:28:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2498 transitions. [2018-09-10 10:28:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-09-10 10:28:40,728 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:40,729 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-09-10 10:28:40,729 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:40,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1433244420, now seen corresponding path program 1 times [2018-09-10 10:28:40,729 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:40,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:40,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:40,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:40,731 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:41,006 WARN L175 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 10:28:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:41,231 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:28:41,231 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:28:41,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:41,318 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:28:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:41,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:28:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:41,760 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:28:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:42,651 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:28:42,652 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 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 [2018-09-10 10:28:42,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:42,670 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:28:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:43,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:28:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:43,239 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:28:43,398 WARN L175 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-10 10:28:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:43,911 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:28:43,912 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 14 [2018-09-10 10:28:43,912 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:28:43,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-10 10:28:43,913 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-10 10:28:43,914 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-09-10 10:28:43,914 INFO L87 Difference]: Start difference. First operand 1566 states and 2498 transitions. Second operand 8 states. [2018-09-10 10:28:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:48,879 INFO L93 Difference]: Finished difference Result 5945 states and 10671 transitions. [2018-09-10 10:28:48,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-10 10:28:48,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2018-09-10 10:28:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:48,923 INFO L225 Difference]: With dead ends: 5945 [2018-09-10 10:28:48,924 INFO L226 Difference]: Without dead ends: 4385 [2018-09-10 10:28:48,942 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 833 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2018-09-10 10:28:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2018-09-10 10:28:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 4261. [2018-09-10 10:28:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4261 states. [2018-09-10 10:28:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 6388 transitions. [2018-09-10 10:28:49,152 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 6388 transitions. Word has length 210 [2018-09-10 10:28:49,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:49,152 INFO L480 AbstractCegarLoop]: Abstraction has 4261 states and 6388 transitions. [2018-09-10 10:28:49,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-10 10:28:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 6388 transitions. [2018-09-10 10:28:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-09-10 10:28:49,172 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:49,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:28:49,173 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:49,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1931225250, now seen corresponding path program 1 times [2018-09-10 10:28:49,173 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:49,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:49,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:49,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:49,175 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:49,522 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:49,522 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 10:28:49,522 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:49,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 10:28:49,523 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 10:28:49,523 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:28:49,524 INFO L87 Difference]: Start difference. First operand 4261 states and 6388 transitions. Second operand 6 states. [2018-09-10 10:28:52,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:52,337 INFO L93 Difference]: Finished difference Result 12774 states and 20733 transitions. [2018-09-10 10:28:52,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:28:52,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-09-10 10:28:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:52,392 INFO L225 Difference]: With dead ends: 12774 [2018-09-10 10:28:52,392 INFO L226 Difference]: Without dead ends: 8519 [2018-09-10 10:28:52,433 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-10 10:28:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8519 states. [2018-09-10 10:28:52,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8519 to 8388. [2018-09-10 10:28:52,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8388 states. [2018-09-10 10:28:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 12176 transitions. [2018-09-10 10:28:52,727 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 12176 transitions. Word has length 221 [2018-09-10 10:28:52,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:52,727 INFO L480 AbstractCegarLoop]: Abstraction has 8388 states and 12176 transitions. [2018-09-10 10:28:52,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 10:28:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 12176 transitions. [2018-09-10 10:28:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-10 10:28:52,773 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:52,773 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:28:52,773 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 678142013, now seen corresponding path program 1 times [2018-09-10 10:28:52,774 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:52,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:52,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:52,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:52,775 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:53,116 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:53,117 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-10 10:28:53,117 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:53,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 10:28:53,118 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 10:28:53,118 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:28:53,118 INFO L87 Difference]: Start difference. First operand 8388 states and 12176 transitions. Second operand 7 states. [2018-09-10 10:28:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:28:57,530 INFO L93 Difference]: Finished difference Result 17776 states and 26879 transitions. [2018-09-10 10:28:57,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-10 10:28:57,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 264 [2018-09-10 10:28:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:28:57,602 INFO L225 Difference]: With dead ends: 17776 [2018-09-10 10:28:57,602 INFO L226 Difference]: Without dead ends: 9393 [2018-09-10 10:28:57,638 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-09-10 10:28:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9393 states. [2018-09-10 10:28:57,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9393 to 9295. [2018-09-10 10:28:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9295 states. [2018-09-10 10:28:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9295 states to 9295 states and 13518 transitions. [2018-09-10 10:28:57,964 INFO L78 Accepts]: Start accepts. Automaton has 9295 states and 13518 transitions. Word has length 264 [2018-09-10 10:28:57,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:28:57,965 INFO L480 AbstractCegarLoop]: Abstraction has 9295 states and 13518 transitions. [2018-09-10 10:28:57,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 10:28:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 9295 states and 13518 transitions. [2018-09-10 10:28:58,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-09-10 10:28:58,027 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:28:58,027 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:28:58,028 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:28:58,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1887124624, now seen corresponding path program 1 times [2018-09-10 10:28:58,028 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:28:58,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:58,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:28:58,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:28:58,031 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:28:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:28:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:28:58,841 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:28:58,841 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 10:28:58,842 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:28:58,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 10:28:58,842 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 10:28:58,843 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:28:58,843 INFO L87 Difference]: Start difference. First operand 9295 states and 13518 transitions. Second operand 6 states. [2018-09-10 10:29:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:29:02,973 INFO L93 Difference]: Finished difference Result 27589 states and 45083 transitions. [2018-09-10 10:29:02,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 10:29:02,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 266 [2018-09-10 10:29:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:29:03,090 INFO L225 Difference]: With dead ends: 27589 [2018-09-10 10:29:03,090 INFO L226 Difference]: Without dead ends: 18300 [2018-09-10 10:29:03,145 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-09-10 10:29:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18300 states. [2018-09-10 10:29:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18300 to 17884. [2018-09-10 10:29:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17884 states. [2018-09-10 10:29:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17884 states to 17884 states and 26321 transitions. [2018-09-10 10:29:03,888 INFO L78 Accepts]: Start accepts. Automaton has 17884 states and 26321 transitions. Word has length 266 [2018-09-10 10:29:03,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:29:03,888 INFO L480 AbstractCegarLoop]: Abstraction has 17884 states and 26321 transitions. [2018-09-10 10:29:03,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 10:29:03,889 INFO L276 IsEmpty]: Start isEmpty. Operand 17884 states and 26321 transitions. [2018-09-10 10:29:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-10 10:29:03,993 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:29:03,993 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:29:03,994 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:29:03,994 INFO L82 PathProgramCache]: Analyzing trace with hash -196016724, now seen corresponding path program 1 times [2018-09-10 10:29:03,994 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:29:03,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:03,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:03,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:03,996 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:29:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 105 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-10 10:29:04,711 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:04,712 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:29:04,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:04,720 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:05,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-09-10 10:29:05,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-09-10 10:29:05,987 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 10:29:05,988 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 11 [2018-09-10 10:29:05,988 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:29:05,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:29:05,989 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:29:05,989 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-10 10:29:05,989 INFO L87 Difference]: Start difference. First operand 17884 states and 26321 transitions. Second operand 5 states. [2018-09-10 10:29:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:29:07,129 INFO L93 Difference]: Finished difference Result 49935 states and 76423 transitions. [2018-09-10 10:29:07,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 10:29:07,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2018-09-10 10:29:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:29:07,324 INFO L225 Difference]: With dead ends: 49935 [2018-09-10 10:29:07,325 INFO L226 Difference]: Without dead ends: 33853 [2018-09-10 10:29:07,383 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 562 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-10 10:29:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33853 states. [2018-09-10 10:29:08,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33853 to 33514. [2018-09-10 10:29:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33514 states. [2018-09-10 10:29:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33514 states to 33514 states and 49146 transitions. [2018-09-10 10:29:08,417 INFO L78 Accepts]: Start accepts. Automaton has 33514 states and 49146 transitions. Word has length 286 [2018-09-10 10:29:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:29:08,418 INFO L480 AbstractCegarLoop]: Abstraction has 33514 states and 49146 transitions. [2018-09-10 10:29:08,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:29:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 33514 states and 49146 transitions. [2018-09-10 10:29:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-09-10 10:29:08,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:29:08,502 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:29:08,503 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:29:08,503 INFO L82 PathProgramCache]: Analyzing trace with hash 329182181, now seen corresponding path program 1 times [2018-09-10 10:29:08,503 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:29:08,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:08,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:08,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:08,505 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:29:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 119 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-10 10:29:09,340 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:09,341 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:29:09,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:09,349 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:09,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-10 10:29:10,285 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:10,454 WARN L175 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-10 10:29:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-10 10:29:10,743 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:10,743 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 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:29:10,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:10,761 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:11,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-10 10:29:11,492 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-10 10:29:11,677 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:29:11,677 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-09-10 10:29:11,677 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:29:11,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:29:11,679 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:29:11,679 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-09-10 10:29:11,680 INFO L87 Difference]: Start difference. First operand 33514 states and 49146 transitions. Second operand 9 states. [2018-09-10 10:29:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:29:17,417 INFO L93 Difference]: Finished difference Result 126986 states and 197925 transitions. [2018-09-10 10:29:17,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-10 10:29:17,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 302 [2018-09-10 10:29:17,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:29:17,982 INFO L225 Difference]: With dead ends: 126986 [2018-09-10 10:29:17,982 INFO L226 Difference]: Without dead ends: 93478 [2018-09-10 10:29:18,140 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1223 GetRequests, 1201 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-09-10 10:29:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93478 states. [2018-09-10 10:29:21,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93478 to 92863. [2018-09-10 10:29:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92863 states. [2018-09-10 10:29:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92863 states to 92863 states and 132870 transitions. [2018-09-10 10:29:21,967 INFO L78 Accepts]: Start accepts. Automaton has 92863 states and 132870 transitions. Word has length 302 [2018-09-10 10:29:21,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:29:21,967 INFO L480 AbstractCegarLoop]: Abstraction has 92863 states and 132870 transitions. [2018-09-10 10:29:21,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:29:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 92863 states and 132870 transitions. [2018-09-10 10:29:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-09-10 10:29:22,084 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:29:22,084 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:29:22,084 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:29:22,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1162980519, now seen corresponding path program 1 times [2018-09-10 10:29:22,085 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:29:22,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:22,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:22,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:22,086 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:29:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:29:22,882 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:22,882 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:29:22,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:22,899 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:23,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:29:23,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:29:23,474 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:23,474 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 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:29:23,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:23,491 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:24,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:29:24,185 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (8)] Exception during sending of exit command (exit): Broken pipe [2018-09-10 10:29:24,327 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:29:24,327 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-09-10 10:29:24,327 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:29:24,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:29:24,328 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:29:24,329 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2018-09-10 10:29:24,329 INFO L87 Difference]: Start difference. First operand 92863 states and 132870 transitions. Second operand 9 states. [2018-09-10 10:29:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:29:32,908 INFO L93 Difference]: Finished difference Result 341026 states and 487978 transitions. [2018-09-10 10:29:32,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-10 10:29:32,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2018-09-10 10:29:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:29:34,277 INFO L225 Difference]: With dead ends: 341026 [2018-09-10 10:29:34,277 INFO L226 Difference]: Without dead ends: 248329 [2018-09-10 10:29:35,594 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1240 GetRequests, 1213 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2018-09-10 10:29:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248329 states. [2018-09-10 10:29:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248329 to 246174. [2018-09-10 10:29:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246174 states. [2018-09-10 10:29:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246174 states to 246174 states and 338707 transitions. [2018-09-10 10:29:43,249 INFO L78 Accepts]: Start accepts. Automaton has 246174 states and 338707 transitions. Word has length 305 [2018-09-10 10:29:43,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:29:43,249 INFO L480 AbstractCegarLoop]: Abstraction has 246174 states and 338707 transitions. [2018-09-10 10:29:43,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:29:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 246174 states and 338707 transitions. [2018-09-10 10:29:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-09-10 10:29:43,411 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:29:43,412 INFO L376 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, 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] [2018-09-10 10:29:43,412 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:29:43,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1642792961, now seen corresponding path program 1 times [2018-09-10 10:29:43,412 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:29:43,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:43,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:43,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:29:43,414 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:29:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:29:44,073 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:29:44,073 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:29:44,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:29:44,088 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:29:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:29:44,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:29:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-10 10:29:44,512 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:29:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 10:29:46,058 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 10:29:46,059 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-10 10:29:46,059 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:29:46,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:29:46,060 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:29:46,060 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-09-10 10:29:46,060 INFO L87 Difference]: Start difference. First operand 246174 states and 338707 transitions. Second operand 5 states. [2018-09-10 10:30:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:30:00,537 INFO L93 Difference]: Finished difference Result 572781 states and 820376 transitions. [2018-09-10 10:30:00,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:30:00,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 334 [2018-09-10 10:30:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:30:01,898 INFO L225 Difference]: With dead ends: 572781 [2018-09-10 10:30:01,898 INFO L226 Difference]: Without dead ends: 326618 [2018-09-10 10:30:02,522 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-10 10:30:02,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326618 states. [2018-09-10 10:30:11,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326618 to 322275. [2018-09-10 10:30:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322275 states. [2018-09-10 10:30:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322275 states to 322275 states and 428935 transitions. [2018-09-10 10:30:12,237 INFO L78 Accepts]: Start accepts. Automaton has 322275 states and 428935 transitions. Word has length 334 [2018-09-10 10:30:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:30:12,238 INFO L480 AbstractCegarLoop]: Abstraction has 322275 states and 428935 transitions. [2018-09-10 10:30:12,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:30:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 322275 states and 428935 transitions. [2018-09-10 10:30:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-09-10 10:30:12,401 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:30:12,401 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:30:12,402 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:30:12,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1414004778, now seen corresponding path program 1 times [2018-09-10 10:30:12,402 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:30:12,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:12,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:12,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:12,403 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:30:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:12,887 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:30:12,887 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 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 [2018-09-10 10:30:13,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:13,965 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:30:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:14,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:30:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:14,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:30:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:14,514 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:30:14,514 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:30:14,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:14,531 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:30:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:15,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:30:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:15,359 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:30:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:15,679 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:30:15,679 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 5] total 9 [2018-09-10 10:30:15,679 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:30:15,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 10:30:15,681 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 10:30:15,681 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-09-10 10:30:15,681 INFO L87 Difference]: Start difference. First operand 322275 states and 428935 transitions. Second operand 6 states. [2018-09-10 10:30:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:30:27,267 INFO L93 Difference]: Finished difference Result 646389 states and 908590 transitions. [2018-09-10 10:30:27,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 10:30:27,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 343 [2018-09-10 10:30:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:30:28,583 INFO L225 Difference]: With dead ends: 646389 [2018-09-10 10:30:28,584 INFO L226 Difference]: Without dead ends: 324343 [2018-09-10 10:30:30,392 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1366 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-09-10 10:30:30,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324343 states. [2018-09-10 10:30:37,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324343 to 311605. [2018-09-10 10:30:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311605 states. [2018-09-10 10:30:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311605 states to 311605 states and 388062 transitions. [2018-09-10 10:30:39,759 INFO L78 Accepts]: Start accepts. Automaton has 311605 states and 388062 transitions. Word has length 343 [2018-09-10 10:30:39,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:30:39,760 INFO L480 AbstractCegarLoop]: Abstraction has 311605 states and 388062 transitions. [2018-09-10 10:30:39,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 10:30:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 311605 states and 388062 transitions. [2018-09-10 10:30:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-09-10 10:30:39,922 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:30:39,922 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:30:39,923 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:30:39,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1546327033, now seen corresponding path program 1 times [2018-09-10 10:30:39,923 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:30:39,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:39,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:39,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:39,924 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:30:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:30:40,383 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:30:40,383 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:30:40,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:40,392 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:30:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:40,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:30:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-09-10 10:30:40,874 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:30:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-09-10 10:30:41,050 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 10:30:41,050 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-10 10:30:41,050 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:30:41,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:30:41,051 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:30:41,051 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:30:41,051 INFO L87 Difference]: Start difference. First operand 311605 states and 388062 transitions. Second operand 3 states. [2018-09-10 10:30:49,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:30:49,985 INFO L93 Difference]: Finished difference Result 536434 states and 669790 transitions. [2018-09-10 10:30:49,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:30:49,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2018-09-10 10:30:49,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:30:50,936 INFO L225 Difference]: With dead ends: 536434 [2018-09-10 10:30:50,936 INFO L226 Difference]: Without dead ends: 236367 [2018-09-10 10:30:52,154 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 724 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:30:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236367 states. [2018-09-10 10:30:56,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236367 to 231322. [2018-09-10 10:30:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231322 states. [2018-09-10 10:30:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231322 states to 231322 states and 285168 transitions. [2018-09-10 10:30:57,571 INFO L78 Accepts]: Start accepts. Automaton has 231322 states and 285168 transitions. Word has length 363 [2018-09-10 10:30:57,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:30:57,572 INFO L480 AbstractCegarLoop]: Abstraction has 231322 states and 285168 transitions. [2018-09-10 10:30:57,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:30:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 231322 states and 285168 transitions. [2018-09-10 10:30:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-09-10 10:30:57,752 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:30:57,752 INFO L376 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-10 10:30:57,752 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:30:57,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415142, now seen corresponding path program 1 times [2018-09-10 10:30:57,753 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:30:57,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:57,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:57,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:30:57,754 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:30:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 232 proven. 58 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-09-10 10:30:58,252 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:30:58,252 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:30:58,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:30:58,260 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:30:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:30:58,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:30:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-10 10:30:58,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:30:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-10 10:30:58,813 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 10:30:58,813 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-10 10:30:58,813 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:30:58,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:30:58,814 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:30:58,814 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:30:58,814 INFO L87 Difference]: Start difference. First operand 231322 states and 285168 transitions. Second operand 3 states. [2018-09-10 10:31:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:31:02,959 INFO L93 Difference]: Finished difference Result 393714 states and 487708 transitions. [2018-09-10 10:31:02,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:31:02,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 402 [2018-09-10 10:31:02,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:31:02,961 INFO L225 Difference]: With dead ends: 393714 [2018-09-10 10:31:02,961 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:31:03,410 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:31:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:31:03,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:31:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:31:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:31:03,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2018-09-10 10:31:03,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:31:03,413 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:31:03,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:31:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:31:03,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:31:03,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:31:03,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:03,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:03,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:04,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:04,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:05,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:05,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:05,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:05,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:05,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:06,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:06,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:07,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:08,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:09,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:10,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:11,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:12,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:13,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:14,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:15,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:16,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:17,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:18,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:19,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:20,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:21,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:22,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:22,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:22,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:22,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:22,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:23,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:23,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:24,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:25,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:25,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:26,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:27,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:27,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:27,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:28,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:28,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:28,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:28,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:28,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:29,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:29,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:29,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:31,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:31,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:31,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:31,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:32,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:33,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:33,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:33,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:33,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:35,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:35,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:35,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:35,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:35,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:36,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:36,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:36,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:36,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:37,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:37,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:38,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:38,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:39,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:40,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:41,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:41,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:42,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:43,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:43,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:43,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:43,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:43,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:44,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:44,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:44,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:44,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:44,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:45,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:46,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:46,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:46,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:46,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:47,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:47,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:47,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:47,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:48,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:48,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:49,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:49,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:49,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:50,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:51,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:51,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:51,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:51,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:31:52,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. Received shutdown request... [2018-09-10 10:31:52,541 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-09-10 10:31:52,542 INFO L168 Benchmark]: Toolchain (without parser) took 210581.95 ms. Allocated memory was 1.5 GB in the beginning and 5.5 GB in the end (delta: 3.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,543 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. [2018-09-10 10:31:52,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1168.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,545 INFO L168 Benchmark]: Boogie Preprocessor took 367.24 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 814.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -950.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,551 INFO L168 Benchmark]: RCFGBuilder took 4948.03 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 280.8 MB). Peak memory consumption was 280.8 MB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,551 INFO L168 Benchmark]: TraceAbstraction took 203910.42 ms. Allocated memory was 2.4 GB in the beginning and 5.5 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-09-10 10:31:52,561 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 1168.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 181.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 367.24 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 814.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -950.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4948.03 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 280.8 MB). Peak memory consumption was 280.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 203910.42 ms. Allocated memory was 2.4 GB in the beginning and 5.5 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1572]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5527. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label36_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-31-52-577.csv Completed graceful shutdown