java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:52:32,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:52:32,614 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:52:32,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:52:32,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:52:32,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:52:32,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:52:32,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:52:32,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:52:32,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:52:32,641 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:52:32,641 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:52:32,642 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:52:32,643 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:52:32,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:52:32,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:52:32,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:52:32,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:52:32,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:52:32,654 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:52:32,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:52:32,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:52:32,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 12:52:32,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:52:32,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:52:32,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:52:32,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:52:32,678 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 12:52:32,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:52:32,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:52:32,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:52:32,706 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:52:32,707 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:52:32,707 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:52:32,707 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:52:32,707 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:52:32,707 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:52:32,708 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:52:32,708 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:52:32,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:52:32,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:52:32,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:52:32,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:52:32,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:52:32,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:52:32,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:52:32,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:52:32,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:52:32,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:52:32,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:52:32,711 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:52:32,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:52:32,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:52:32,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:52:32,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:52:32,712 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:52:32,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:52:32,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:52:32,712 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:52:32,712 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:52:32,713 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:52:32,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:52:32,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:52:32,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:52:32,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:52:32,805 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:52:32,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-07-24 12:52:33,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cdba17/cca69af738654059a8738dbfbab09167/FLAG043f607db [2018-07-24 12:52:33,533 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:52:33,536 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-07-24 12:52:33,563 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cdba17/cca69af738654059a8738dbfbab09167/FLAG043f607db [2018-07-24 12:52:33,583 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786cdba17/cca69af738654059a8738dbfbab09167 [2018-07-24 12:52:33,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:52:33,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:52:33,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:52:33,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:52:33,606 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:52:33,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:52:33" (1/1) ... [2018-07-24 12:52:33,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a107fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:33, skipping insertion in model container [2018-07-24 12:52:33,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:52:33" (1/1) ... [2018-07-24 12:52:33,840 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:52:34,380 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:52:34,400 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:52:34,685 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:52:34,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34 WrapperNode [2018-07-24 12:52:34,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:52:34,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:52:34,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:52:34,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:52:34,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:34,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:34,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:52:34,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:52:34,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:52:34,929 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:52:35,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... [2018-07-24 12:52:35,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:52:35,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:52:35,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:52:35,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:52:35,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:52:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:52:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:52:35,341 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 [2018-07-24 12:52:35,342 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 [2018-07-24 12:52:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:52:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:52:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:52:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:52:40,170 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:52:40,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:52:40 BoogieIcfgContainer [2018-07-24 12:52:40,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:52:40,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:52:40,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:52:40,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:52:40,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:52:33" (1/3) ... [2018-07-24 12:52:40,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646c56d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:52:40, skipping insertion in model container [2018-07-24 12:52:40,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:52:34" (2/3) ... [2018-07-24 12:52:40,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646c56d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:52:40, skipping insertion in model container [2018-07-24 12:52:40,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:52:40" (3/3) ... [2018-07-24 12:52:40,180 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-07-24 12:52:40,189 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:52:40,197 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:52:40,251 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:52:40,252 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:52:40,252 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:52:40,252 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:52:40,253 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:52:40,253 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:52:40,253 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:52:40,253 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:52:40,253 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:52:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-07-24 12:52:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-24 12:52:40,304 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:52:40,305 INFO L353 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] [2018-07-24 12:52:40,306 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:52:40,311 INFO L82 PathProgramCache]: Analyzing trace with hash 507680593, now seen corresponding path program 1 times [2018-07-24 12:52:40,314 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:52:40,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:40,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:40,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:40,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:52:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:41,514 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:52:41,514 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:52:41,514 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:52:41,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:52:41,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:52:41,548 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:52:41,551 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-07-24 12:52:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:52:45,472 INFO L93 Difference]: Finished difference Result 1085 states and 1949 transitions. [2018-07-24 12:52:45,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:52:45,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2018-07-24 12:52:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:52:45,503 INFO L225 Difference]: With dead ends: 1085 [2018-07-24 12:52:45,503 INFO L226 Difference]: Without dead ends: 767 [2018-07-24 12:52:45,512 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:52:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-07-24 12:52:45,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 523. [2018-07-24 12:52:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-07-24 12:52:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 922 transitions. [2018-07-24 12:52:45,612 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 922 transitions. Word has length 186 [2018-07-24 12:52:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:52:45,613 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 922 transitions. [2018-07-24 12:52:45,613 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:52:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 922 transitions. [2018-07-24 12:52:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-24 12:52:45,623 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:52:45,623 INFO L353 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] [2018-07-24 12:52:45,624 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:52:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash -643742720, now seen corresponding path program 1 times [2018-07-24 12:52:45,624 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:52:45,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:45,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:45,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:45,626 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:52:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:45,965 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:52:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:46,030 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:52:46,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:52:46,030 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:52:46,032 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:52:46,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:52:46,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:52:46,033 INFO L87 Difference]: Start difference. First operand 523 states and 922 transitions. Second operand 5 states. [2018-07-24 12:52:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:52:49,869 INFO L93 Difference]: Finished difference Result 1608 states and 2930 transitions. [2018-07-24 12:52:49,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:52:49,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-07-24 12:52:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:52:49,894 INFO L225 Difference]: With dead ends: 1608 [2018-07-24 12:52:49,894 INFO L226 Difference]: Without dead ends: 1091 [2018-07-24 12:52:49,902 INFO L573 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 [2018-07-24 12:52:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2018-07-24 12:52:49,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 845. [2018-07-24 12:52:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2018-07-24 12:52:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1403 transitions. [2018-07-24 12:52:49,981 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1403 transitions. Word has length 197 [2018-07-24 12:52:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:52:49,981 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1403 transitions. [2018-07-24 12:52:49,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:52:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1403 transitions. [2018-07-24 12:52:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-24 12:52:49,986 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:52:49,988 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:52:49,988 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:52:49,988 INFO L82 PathProgramCache]: Analyzing trace with hash 754004949, now seen corresponding path program 1 times [2018-07-24 12:52:49,989 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:52:49,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:49,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:49,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:49,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:52:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:50,353 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:52:50,355 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:52:50,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:52:50,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:52:50,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:52:50,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:52:50,356 INFO L87 Difference]: Start difference. First operand 845 states and 1403 transitions. Second operand 3 states. [2018-07-24 12:52:52,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:52:52,497 INFO L93 Difference]: Finished difference Result 2411 states and 4122 transitions. [2018-07-24 12:52:52,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:52:52,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-07-24 12:52:52,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:52:52,513 INFO L225 Difference]: With dead ends: 2411 [2018-07-24 12:52:52,513 INFO L226 Difference]: Without dead ends: 1572 [2018-07-24 12:52:52,518 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:52:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2018-07-24 12:52:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1566. [2018-07-24 12:52:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1566 states. [2018-07-24 12:52:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2498 transitions. [2018-07-24 12:52:52,595 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2498 transitions. Word has length 199 [2018-07-24 12:52:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:52:52,599 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2498 transitions. [2018-07-24 12:52:52,599 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:52:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2498 transitions. [2018-07-24 12:52:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-24 12:52:52,608 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:52:52,609 INFO L353 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] [2018-07-24 12:52:52,609 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:52:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1433244420, now seen corresponding path program 1 times [2018-07-24 12:52:52,610 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:52:52,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:52,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:52,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:52:52,611 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:52:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:52,909 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:52:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:53,127 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:52:53,127 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:52:53,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:53,145 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:52:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:53,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:52:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:53,737 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:52:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:53,991 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:52:53,991 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:52:54,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:52:54,008 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:52:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:52:54,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:52:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:54,597 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:52:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:52:54,792 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:52:54,793 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 14 [2018-07-24 12:52:54,793 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:52:54,794 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 12:52:54,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 12:52:54,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-07-24 12:52:54,797 INFO L87 Difference]: Start difference. First operand 1566 states and 2498 transitions. Second operand 8 states. [2018-07-24 12:53:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:00,925 INFO L93 Difference]: Finished difference Result 5945 states and 10671 transitions. [2018-07-24 12:53:00,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 12:53:00,928 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2018-07-24 12:53:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:00,970 INFO L225 Difference]: With dead ends: 5945 [2018-07-24 12:53:00,970 INFO L226 Difference]: Without dead ends: 4385 [2018-07-24 12:53:00,987 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 833 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2018-07-24 12:53:00,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2018-07-24 12:53:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 4261. [2018-07-24 12:53:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4261 states. [2018-07-24 12:53:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 6388 transitions. [2018-07-24 12:53:01,172 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 6388 transitions. Word has length 210 [2018-07-24 12:53:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:01,173 INFO L471 AbstractCegarLoop]: Abstraction has 4261 states and 6388 transitions. [2018-07-24 12:53:01,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 12:53:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 6388 transitions. [2018-07-24 12:53:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-24 12:53:01,193 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:01,193 INFO L353 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] [2018-07-24 12:53:01,194 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:01,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1931225250, now seen corresponding path program 1 times [2018-07-24 12:53:01,194 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:01,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:01,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:01,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:01,196 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:01,475 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:53:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:01,573 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:53:01,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:53:01,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:53:01,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:53:01,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:53:01,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:53:01,574 INFO L87 Difference]: Start difference. First operand 4261 states and 6388 transitions. Second operand 6 states. [2018-07-24 12:53:03,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:03,967 INFO L93 Difference]: Finished difference Result 12774 states and 20733 transitions. [2018-07-24 12:53:03,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:53:03,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-07-24 12:53:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:04,031 INFO L225 Difference]: With dead ends: 12774 [2018-07-24 12:53:04,032 INFO L226 Difference]: Without dead ends: 8519 [2018-07-24 12:53:04,070 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:53:04,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8519 states. [2018-07-24 12:53:04,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8519 to 8388. [2018-07-24 12:53:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8388 states. [2018-07-24 12:53:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 12176 transitions. [2018-07-24 12:53:04,362 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 12176 transitions. Word has length 221 [2018-07-24 12:53:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:04,362 INFO L471 AbstractCegarLoop]: Abstraction has 8388 states and 12176 transitions. [2018-07-24 12:53:04,362 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:53:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 12176 transitions. [2018-07-24 12:53:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-24 12:53:04,403 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:04,403 INFO L353 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] [2018-07-24 12:53:04,404 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:04,404 INFO L82 PathProgramCache]: Analyzing trace with hash 678142013, now seen corresponding path program 1 times [2018-07-24 12:53:04,404 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:04,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:04,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:04,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:04,405 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:04,726 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:53:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:05,085 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:53:05,085 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-24 12:53:05,086 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:53:05,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 12:53:05,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 12:53:05,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:53:05,087 INFO L87 Difference]: Start difference. First operand 8388 states and 12176 transitions. Second operand 7 states. [2018-07-24 12:53:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:09,156 INFO L93 Difference]: Finished difference Result 17776 states and 26879 transitions. [2018-07-24 12:53:09,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 12:53:09,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 264 [2018-07-24 12:53:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:09,236 INFO L225 Difference]: With dead ends: 17776 [2018-07-24 12:53:09,237 INFO L226 Difference]: Without dead ends: 9393 [2018-07-24 12:53:09,268 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-07-24 12:53:09,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9393 states. [2018-07-24 12:53:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9393 to 9295. [2018-07-24 12:53:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9295 states. [2018-07-24 12:53:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9295 states to 9295 states and 13518 transitions. [2018-07-24 12:53:09,593 INFO L78 Accepts]: Start accepts. Automaton has 9295 states and 13518 transitions. Word has length 264 [2018-07-24 12:53:09,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:09,594 INFO L471 AbstractCegarLoop]: Abstraction has 9295 states and 13518 transitions. [2018-07-24 12:53:09,594 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 12:53:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 9295 states and 13518 transitions. [2018-07-24 12:53:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-24 12:53:09,651 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:09,652 INFO L353 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] [2018-07-24 12:53:09,652 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:09,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1887124624, now seen corresponding path program 1 times [2018-07-24 12:53:09,653 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:09,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:09,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:09,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:09,654 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:10,420 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:53:10,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:53:10,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:53:10,422 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:53:10,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:53:10,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:53:10,423 INFO L87 Difference]: Start difference. First operand 9295 states and 13518 transitions. Second operand 6 states. [2018-07-24 12:53:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:14,263 INFO L93 Difference]: Finished difference Result 27589 states and 45083 transitions. [2018-07-24 12:53:14,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:53:14,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 266 [2018-07-24 12:53:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:14,377 INFO L225 Difference]: With dead ends: 27589 [2018-07-24 12:53:14,378 INFO L226 Difference]: Without dead ends: 18300 [2018-07-24 12:53:14,440 INFO L573 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 [2018-07-24 12:53:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18300 states. [2018-07-24 12:53:15,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18300 to 17884. [2018-07-24 12:53:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17884 states. [2018-07-24 12:53:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17884 states to 17884 states and 26321 transitions. [2018-07-24 12:53:15,112 INFO L78 Accepts]: Start accepts. Automaton has 17884 states and 26321 transitions. Word has length 266 [2018-07-24 12:53:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:15,112 INFO L471 AbstractCegarLoop]: Abstraction has 17884 states and 26321 transitions. [2018-07-24 12:53:15,112 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:53:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 17884 states and 26321 transitions. [2018-07-24 12:53:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-24 12:53:15,208 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:15,209 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 12:53:15,209 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:15,209 INFO L82 PathProgramCache]: Analyzing trace with hash -196016724, now seen corresponding path program 1 times [2018-07-24 12:53:15,210 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:15,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:15,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:15,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:15,211 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 105 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-07-24 12:53:16,075 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:16,075 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:53:16,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:16,086 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:16,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 12:53:16,718 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-24 12:53:17,194 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 12:53:17,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 11 [2018-07-24 12:53:17,194 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:53:17,195 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:53:17,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:53:17,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:53:17,196 INFO L87 Difference]: Start difference. First operand 17884 states and 26321 transitions. Second operand 5 states. [2018-07-24 12:53:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:18,170 INFO L93 Difference]: Finished difference Result 49935 states and 76423 transitions. [2018-07-24 12:53:18,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 12:53:18,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2018-07-24 12:53:18,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:18,347 INFO L225 Difference]: With dead ends: 49935 [2018-07-24 12:53:18,347 INFO L226 Difference]: Without dead ends: 33853 [2018-07-24 12:53:18,401 INFO L573 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 [2018-07-24 12:53:18,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33853 states. [2018-07-24 12:53:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33853 to 33514. [2018-07-24 12:53:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33514 states. [2018-07-24 12:53:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33514 states to 33514 states and 49146 transitions. [2018-07-24 12:53:19,340 INFO L78 Accepts]: Start accepts. Automaton has 33514 states and 49146 transitions. Word has length 286 [2018-07-24 12:53:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:19,341 INFO L471 AbstractCegarLoop]: Abstraction has 33514 states and 49146 transitions. [2018-07-24 12:53:19,341 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:53:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 33514 states and 49146 transitions. [2018-07-24 12:53:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-24 12:53:19,412 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:19,412 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 12:53:19,413 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash 329182181, now seen corresponding path program 1 times [2018-07-24 12:53:19,413 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:19,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:19,414 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 119 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-07-24 12:53:20,164 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:20,164 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-07-24 12:53:20,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:20,183 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:20,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-07-24 12:53:21,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-07-24 12:53:21,580 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:21,580 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 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 [2018-07-24 12:53:21,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:21,601 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:22,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-07-24 12:53:22,379 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-07-24 12:53:22,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:53:22,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-07-24 12:53:22,540 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:53:22,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:53:22,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:53:22,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-07-24 12:53:22,542 INFO L87 Difference]: Start difference. First operand 33514 states and 49146 transitions. Second operand 9 states. [2018-07-24 12:53:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:28,162 INFO L93 Difference]: Finished difference Result 126986 states and 197925 transitions. [2018-07-24 12:53:28,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 12:53:28,162 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 302 [2018-07-24 12:53:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:28,720 INFO L225 Difference]: With dead ends: 126986 [2018-07-24 12:53:28,720 INFO L226 Difference]: Without dead ends: 93478 [2018-07-24 12:53:28,854 INFO L573 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 [2018-07-24 12:53:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93478 states. [2018-07-24 12:53:31,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93478 to 92863. [2018-07-24 12:53:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92863 states. [2018-07-24 12:53:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92863 states to 92863 states and 132870 transitions. [2018-07-24 12:53:32,651 INFO L78 Accepts]: Start accepts. Automaton has 92863 states and 132870 transitions. Word has length 302 [2018-07-24 12:53:32,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:32,652 INFO L471 AbstractCegarLoop]: Abstraction has 92863 states and 132870 transitions. [2018-07-24 12:53:32,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:53:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 92863 states and 132870 transitions. [2018-07-24 12:53:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-07-24 12:53:32,761 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:32,762 INFO L353 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] [2018-07-24 12:53:32,762 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:32,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1162980519, now seen corresponding path program 1 times [2018-07-24 12:53:32,764 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:32,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:32,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:32,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:32,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:33,355 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-07-24 12:53:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:33,544 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:33,544 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-07-24 12:53:33,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:33,553 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:33,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:33,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:34,084 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:34,085 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 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 [2018-07-24 12:53:34,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:34,104 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:34,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:34,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:34,930 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:53:34,931 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-07-24 12:53:34,931 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:53:34,932 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:53:34,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:53:34,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2018-07-24 12:53:34,933 INFO L87 Difference]: Start difference. First operand 92863 states and 132870 transitions. Second operand 9 states. [2018-07-24 12:53:43,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:53:43,381 INFO L93 Difference]: Finished difference Result 341026 states and 487978 transitions. [2018-07-24 12:53:43,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-24 12:53:43,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2018-07-24 12:53:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:53:44,748 INFO L225 Difference]: With dead ends: 341026 [2018-07-24 12:53:44,748 INFO L226 Difference]: Without dead ends: 248329 [2018-07-24 12:53:46,229 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1240 GetRequests, 1213 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2018-07-24 12:53:46,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248329 states. [2018-07-24 12:53:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248329 to 246174. [2018-07-24 12:53:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246174 states. [2018-07-24 12:53:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246174 states to 246174 states and 338707 transitions. [2018-07-24 12:53:53,754 INFO L78 Accepts]: Start accepts. Automaton has 246174 states and 338707 transitions. Word has length 305 [2018-07-24 12:53:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:53:53,755 INFO L471 AbstractCegarLoop]: Abstraction has 246174 states and 338707 transitions. [2018-07-24 12:53:53,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:53:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 246174 states and 338707 transitions. [2018-07-24 12:53:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-24 12:53:53,944 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:53:53,944 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 12:53:53,944 INFO L414 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:53:53,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1642792961, now seen corresponding path program 1 times [2018-07-24 12:53:53,945 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:53:53,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:53,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:53,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:53:53,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:53:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:53:54,608 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:53:54,608 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-07-24 12:53:54,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:53:54,616 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:53:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:53:54,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:53:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-07-24 12:53:54,979 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:53:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:53:55,119 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:53:55,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-07-24 12:53:55,119 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:53:55,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:53:55,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:53:55,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-07-24 12:53:55,120 INFO L87 Difference]: Start difference. First operand 246174 states and 338707 transitions. Second operand 5 states. [2018-07-24 12:54:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:54:05,600 INFO L93 Difference]: Finished difference Result 572781 states and 820376 transitions. [2018-07-24 12:54:05,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:54:05,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 334 [2018-07-24 12:54:05,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:54:06,946 INFO L225 Difference]: With dead ends: 572781 [2018-07-24 12:54:06,946 INFO L226 Difference]: Without dead ends: 326618 [2018-07-24 12:54:07,561 INFO L573 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 [2018-07-24 12:54:07,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326618 states. [2018-07-24 12:54:24,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326618 to 322275. [2018-07-24 12:54:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322275 states. [2018-07-24 12:54:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322275 states to 322275 states and 428935 transitions. [2018-07-24 12:54:25,841 INFO L78 Accepts]: Start accepts. Automaton has 322275 states and 428935 transitions. Word has length 334 [2018-07-24 12:54:25,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:54:25,842 INFO L471 AbstractCegarLoop]: Abstraction has 322275 states and 428935 transitions. [2018-07-24 12:54:25,842 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:54:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 322275 states and 428935 transitions. [2018-07-24 12:54:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-07-24 12:54:26,074 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:54:26,074 INFO L353 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] [2018-07-24 12:54:26,074 INFO L414 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:54:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1414004778, now seen corresponding path program 1 times [2018-07-24 12:54:26,075 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:54:26,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:54:26,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:54:26,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:54:26,076 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:54:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:54:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:26,784 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:54:26,784 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:54:26,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:54:26,793 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:54:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:54:27,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:54:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:28,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:54:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:28,400 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:54:28,401 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 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 [2018-07-24 12:54:28,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:54:28,416 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:54:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:54:29,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:54:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:29,269 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:54:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:29,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:54:29,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 5] total 9 [2018-07-24 12:54:29,573 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:54:29,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:54:29,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:54:29,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:54:29,574 INFO L87 Difference]: Start difference. First operand 322275 states and 428935 transitions. Second operand 6 states. [2018-07-24 12:54:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:54:40,933 INFO L93 Difference]: Finished difference Result 646389 states and 908590 transitions. [2018-07-24 12:54:40,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:54:40,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 343 [2018-07-24 12:54:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:54:42,417 INFO L225 Difference]: With dead ends: 646389 [2018-07-24 12:54:42,417 INFO L226 Difference]: Without dead ends: 324343 [2018-07-24 12:54:43,066 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1366 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:54:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324343 states. [2018-07-24 12:54:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324343 to 311605. [2018-07-24 12:54:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311605 states. [2018-07-24 12:54:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311605 states to 311605 states and 388062 transitions. [2018-07-24 12:54:52,821 INFO L78 Accepts]: Start accepts. Automaton has 311605 states and 388062 transitions. Word has length 343 [2018-07-24 12:54:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:54:52,822 INFO L471 AbstractCegarLoop]: Abstraction has 311605 states and 388062 transitions. [2018-07-24 12:54:52,822 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:54:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 311605 states and 388062 transitions. [2018-07-24 12:54:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-07-24 12:54:52,989 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:54:52,989 INFO L353 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] [2018-07-24 12:54:52,989 INFO L414 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:54:52,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1546327033, now seen corresponding path program 1 times [2018-07-24 12:54:52,990 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:54:52,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:54:52,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:54:52,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:54:52,991 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:54:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:54:53,661 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-24 12:54:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:54:53,961 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:54:53,962 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-07-24 12:54:53,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:54:53,970 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:54:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:54:54,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:54:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-24 12:54:54,471 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:54:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-24 12:54:54,597 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 12:54:54,597 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-07-24 12:54:54,597 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:54:54,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:54:54,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:54:54,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:54:54,599 INFO L87 Difference]: Start difference. First operand 311605 states and 388062 transitions. Second operand 3 states. [2018-07-24 12:55:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:55:03,209 INFO L93 Difference]: Finished difference Result 536434 states and 669790 transitions. [2018-07-24 12:55:03,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:55:03,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2018-07-24 12:55:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:55:03,911 INFO L225 Difference]: With dead ends: 536434 [2018-07-24 12:55:03,911 INFO L226 Difference]: Without dead ends: 236367 [2018-07-24 12:55:05,029 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 724 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:55:05,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236367 states. [2018-07-24 12:55:09,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236367 to 231322. [2018-07-24 12:55:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231322 states. [2018-07-24 12:55:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231322 states to 231322 states and 285168 transitions. [2018-07-24 12:55:10,204 INFO L78 Accepts]: Start accepts. Automaton has 231322 states and 285168 transitions. Word has length 363 [2018-07-24 12:55:10,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:55:10,205 INFO L471 AbstractCegarLoop]: Abstraction has 231322 states and 285168 transitions. [2018-07-24 12:55:10,205 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:55:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 231322 states and 285168 transitions. [2018-07-24 12:55:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-24 12:55:10,408 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:55:10,408 INFO L353 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] [2018-07-24 12:55:10,408 INFO L414 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:55:10,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415142, now seen corresponding path program 1 times [2018-07-24 12:55:10,409 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:55:10,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:55:10,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:55:10,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:55:10,410 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:55:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:55:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 232 proven. 58 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-07-24 12:55:11,713 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:55:11,713 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-07-24 12:55:11,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:55:11,721 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:55:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:55:12,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:55:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-07-24 12:55:12,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:55:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-07-24 12:55:12,327 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 12:55:12,327 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-07-24 12:55:12,327 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:55:12,329 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:55:12,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:55:12,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:55:12,329 INFO L87 Difference]: Start difference. First operand 231322 states and 285168 transitions. Second operand 3 states. [2018-07-24 12:55:17,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:55:17,053 INFO L93 Difference]: Finished difference Result 393714 states and 487708 transitions. [2018-07-24 12:55:17,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:55:17,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 402 [2018-07-24 12:55:17,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:55:17,054 INFO L225 Difference]: With dead ends: 393714 [2018-07-24 12:55:17,054 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 12:55:17,481 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 12:55:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 12:55:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 12:55:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 12:55:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 12:55:17,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2018-07-24 12:55:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:55:17,484 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 12:55:17,484 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:55:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 12:55:17,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 12:55:17,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 12:55:18,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:18,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:19,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:20,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:21,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:22,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:23,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:24,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:25,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:26,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:27,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:28,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:29,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:30,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:31,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:32,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:33,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:34,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:34,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:34,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:34,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:34,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:35,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:35,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:36,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:37,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:37,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:38,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:39,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:39,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:39,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:40,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:40,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:40,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:40,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:40,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:41,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:41,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:41,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:43,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:44,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:44,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:44,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:44,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:44,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:45,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:46,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:46,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:47,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:47,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:48,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:49,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:50,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:50,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:50,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:51,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:51,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:52,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:53,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:53,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:53,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:54,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:54,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:54,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:55,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:56,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:57,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:57,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:58,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:59,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:59,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:59,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:55:59,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:00,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:00,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:00,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:00,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:01,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:02,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:02,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:03,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:04,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:05,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:06,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 12:56:07,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. Received shutdown request... [2018-07-24 12:56:07,423 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-07-24 12:56:07,425 INFO L168 Benchmark]: Toolchain (without parser) took 213828.03 ms. Allocated memory was 1.5 GB in the beginning and 5.4 GB in the end (delta: 3.8 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2018-07-24 12:56:07,426 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 12:56:07,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1160.53 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:56:07,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.08 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. [2018-07-24 12:56:07,428 INFO L168 Benchmark]: Boogie Preprocessor took 337.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 804.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -931.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2018-07-24 12:56:07,429 INFO L168 Benchmark]: RCFGBuilder took 4905.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:56:07,430 INFO L168 Benchmark]: TraceAbstraction took 207251.41 ms. Allocated memory was 2.3 GB in the beginning and 5.4 GB in the end (delta: 3.0 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -619.9 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-07-24 12:56:07,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1160.53 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 168.08 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 337.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 804.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -931.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4905.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207251.41 ms. Allocated memory was 2.3 GB in the beginning and 5.4 GB in the end (delta: 3.0 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -619.9 MB). 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-0-2018-07-24_12-56-07-450.csv Completed graceful shutdown