./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf623cbfa27d5f25c20ae418fc6508fd949965cd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:44:04,692 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:44:04,694 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:44:04,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:44:04,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:44:04,709 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:44:04,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:44:04,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:44:04,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:44:04,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:44:04,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:44:04,721 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:44:04,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:44:04,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:44:04,726 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:44:04,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:44:04,728 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:44:04,730 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:44:04,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:44:04,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:44:04,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:44:04,735 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:44:04,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:44:04,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:44:04,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:44:04,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:44:04,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:44:04,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:44:04,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:44:04,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:44:04,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:44:04,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:44:04,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:44:04,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:44:04,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:44:04,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:44:04,748 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:44:04,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:44:04,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:44:04,765 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:44:04,766 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:44:04,766 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:44:04,766 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:44:04,766 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:44:04,766 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:44:04,766 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:44:04,767 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:44:04,768 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:44:04,768 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:44:04,768 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:44:04,768 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:44:04,768 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:44:04,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:44:04,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:44:04,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:44:04,769 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:44:04,769 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:44:04,770 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:44:04,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:44:04,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:44:04,770 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-12-30 19:44:04,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:44:04,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:44:04,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:44:04,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:44:04,844 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:44:04,845 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-30 19:44:04,912 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e59569d9/13e730187d3a4d75b35de4902d2627a1/FLAG2bd24064a [2018-12-30 19:44:05,513 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:44:05,516 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-30 19:44:05,529 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e59569d9/13e730187d3a4d75b35de4902d2627a1/FLAG2bd24064a [2018-12-30 19:44:05,723 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e59569d9/13e730187d3a4d75b35de4902d2627a1 [2018-12-30 19:44:05,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:44:05,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:44:05,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:44:05,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:44:05,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:44:05,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:44:05" (1/1) ... [2018-12-30 19:44:05,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7ba34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:05, skipping insertion in model container [2018-12-30 19:44:05,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:44:05" (1/1) ... [2018-12-30 19:44:05,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:44:05,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:44:06,215 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:44:06,221 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:44:06,333 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:44:06,352 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:44:06,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06 WrapperNode [2018-12-30 19:44:06,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:44:06,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:44:06,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:44:06,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:44:06,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:44:06,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:44:06,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:44:06,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:44:06,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (1/1) ... [2018-12-30 19:44:06,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:44:06,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:44:06,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:44:06,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:44:06,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (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 [2018-12-30 19:44:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:44:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:44:10,016 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:44:10,017 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:44:10,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:10 BoogieIcfgContainer [2018-12-30 19:44:10,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:44:10,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:44:10,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:44:10,023 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:44:10,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:44:05" (1/3) ... [2018-12-30 19:44:10,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23217b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:44:10, skipping insertion in model container [2018-12-30 19:44:10,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:06" (2/3) ... [2018-12-30 19:44:10,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23217b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:44:10, skipping insertion in model container [2018-12-30 19:44:10,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:10" (3/3) ... [2018-12-30 19:44:10,027 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-12-30 19:44:10,041 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:44:10,052 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:44:10,073 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:44:10,115 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:44:10,116 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:44:10,117 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:44:10,117 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:44:10,117 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:44:10,117 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:44:10,117 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:44:10,118 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:44:10,118 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:44:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2018-12-30 19:44:10,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-30 19:44:10,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:10,183 INFO L402 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] [2018-12-30 19:44:10,185 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:10,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:10,196 INFO L82 PathProgramCache]: Analyzing trace with hash 906683963, now seen corresponding path program 1 times [2018-12-30 19:44:10,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:10,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:10,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:10,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:10,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:10,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:10,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:10,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:10,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:10,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:10,958 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2018-12-30 19:44:13,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:13,562 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2018-12-30 19:44:13,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:13,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-12-30 19:44:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:13,595 INFO L225 Difference]: With dead ends: 739 [2018-12-30 19:44:13,595 INFO L226 Difference]: Without dead ends: 445 [2018-12-30 19:44:13,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:13,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-30 19:44:13,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2018-12-30 19:44:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-30 19:44:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2018-12-30 19:44:13,685 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 117 [2018-12-30 19:44:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:13,686 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2018-12-30 19:44:13,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2018-12-30 19:44:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-30 19:44:13,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:13,693 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:44:13,693 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:13,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:13,694 INFO L82 PathProgramCache]: Analyzing trace with hash -904416550, now seen corresponding path program 1 times [2018-12-30 19:44:13,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:13,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:13,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:13,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:13,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:13,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:13,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:13,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:13,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:13,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:13,918 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2018-12-30 19:44:15,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:15,212 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2018-12-30 19:44:15,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:15,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-12-30 19:44:15,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:15,220 INFO L225 Difference]: With dead ends: 1470 [2018-12-30 19:44:15,220 INFO L226 Difference]: Without dead ends: 1027 [2018-12-30 19:44:15,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2018-12-30 19:44:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2018-12-30 19:44:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-12-30 19:44:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2018-12-30 19:44:15,274 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 135 [2018-12-30 19:44:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:15,275 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2018-12-30 19:44:15,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2018-12-30 19:44:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-30 19:44:15,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:15,280 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-30 19:44:15,281 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:15,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:15,281 INFO L82 PathProgramCache]: Analyzing trace with hash 793603343, now seen corresponding path program 1 times [2018-12-30 19:44:15,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:15,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:15,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:15,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:15,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:15,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:15,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:44:15,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:15,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:15,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:15,508 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2018-12-30 19:44:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:18,796 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2018-12-30 19:44:18,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:18,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-12-30 19:44:18,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:18,807 INFO L225 Difference]: With dead ends: 2582 [2018-12-30 19:44:18,807 INFO L226 Difference]: Without dead ends: 1855 [2018-12-30 19:44:18,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2018-12-30 19:44:18,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2018-12-30 19:44:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2018-12-30 19:44:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2018-12-30 19:44:18,861 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 139 [2018-12-30 19:44:18,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:18,861 INFO L480 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2018-12-30 19:44:18,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2018-12-30 19:44:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-30 19:44:18,867 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:18,867 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:44:18,867 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:18,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1415237092, now seen corresponding path program 1 times [2018-12-30 19:44:18,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:18,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:18,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:18,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:18,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:19,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:19,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:44:19,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:19,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:19,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:19,020 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2018-12-30 19:44:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:19,778 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2018-12-30 19:44:19,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:19,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-30 19:44:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:19,790 INFO L225 Difference]: With dead ends: 3840 [2018-12-30 19:44:19,790 INFO L226 Difference]: Without dead ends: 2272 [2018-12-30 19:44:19,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2018-12-30 19:44:19,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2132. [2018-12-30 19:44:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2018-12-30 19:44:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2655 transitions. [2018-12-30 19:44:19,847 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2655 transitions. Word has length 139 [2018-12-30 19:44:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:19,848 INFO L480 AbstractCegarLoop]: Abstraction has 2132 states and 2655 transitions. [2018-12-30 19:44:19,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2655 transitions. [2018-12-30 19:44:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-30 19:44:19,852 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:19,853 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:44:19,853 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:19,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:19,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1487828793, now seen corresponding path program 1 times [2018-12-30 19:44:19,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:19,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:19,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:19,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:19,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:44:20,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:20,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:44:20,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:20,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:20,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:20,103 INFO L87 Difference]: Start difference. First operand 2132 states and 2655 transitions. Second operand 4 states. [2018-12-30 19:44:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:21,280 INFO L93 Difference]: Finished difference Result 4827 states and 6005 transitions. [2018-12-30 19:44:21,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:21,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2018-12-30 19:44:21,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:21,294 INFO L225 Difference]: With dead ends: 4827 [2018-12-30 19:44:21,295 INFO L226 Difference]: Without dead ends: 2273 [2018-12-30 19:44:21,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2018-12-30 19:44:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2270. [2018-12-30 19:44:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-12-30 19:44:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2534 transitions. [2018-12-30 19:44:21,346 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2534 transitions. Word has length 144 [2018-12-30 19:44:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:21,347 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 2534 transitions. [2018-12-30 19:44:21,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2534 transitions. [2018-12-30 19:44:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-30 19:44:21,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:21,355 INFO L402 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, 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] [2018-12-30 19:44:21,355 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:21,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:21,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1645622840, now seen corresponding path program 1 times [2018-12-30 19:44:21,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:21,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:21,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:21,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:21,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-30 19:44:21,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:21,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:21,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:21,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:21,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:21,480 INFO L87 Difference]: Start difference. First operand 2270 states and 2534 transitions. Second operand 3 states. [2018-12-30 19:44:22,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:22,408 INFO L93 Difference]: Finished difference Result 5376 states and 5995 transitions. [2018-12-30 19:44:22,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:22,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-12-30 19:44:22,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:22,420 INFO L225 Difference]: With dead ends: 5376 [2018-12-30 19:44:22,420 INFO L226 Difference]: Without dead ends: 3108 [2018-12-30 19:44:22,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2018-12-30 19:44:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2128. [2018-12-30 19:44:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2128 states. [2018-12-30 19:44:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2362 transitions. [2018-12-30 19:44:22,480 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2362 transitions. Word has length 185 [2018-12-30 19:44:22,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:22,481 INFO L480 AbstractCegarLoop]: Abstraction has 2128 states and 2362 transitions. [2018-12-30 19:44:22,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2362 transitions. [2018-12-30 19:44:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-30 19:44:22,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:22,490 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:22,490 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:22,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:22,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1280460365, now seen corresponding path program 1 times [2018-12-30 19:44:22,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:22,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:22,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:22,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:22,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:22,821 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-30 19:44:23,259 WARN L181 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2018-12-30 19:44:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:23,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:23,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 19:44:23,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-30 19:44:23,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-30 19:44:23,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-30 19:44:23,470 INFO L87 Difference]: Start difference. First operand 2128 states and 2362 transitions. Second operand 7 states. [2018-12-30 19:44:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:27,615 INFO L93 Difference]: Finished difference Result 4693 states and 5195 transitions. [2018-12-30 19:44:27,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-30 19:44:27,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2018-12-30 19:44:27,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:27,628 INFO L225 Difference]: With dead ends: 4693 [2018-12-30 19:44:27,628 INFO L226 Difference]: Without dead ends: 2286 [2018-12-30 19:44:27,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:44:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2018-12-30 19:44:27,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2127. [2018-12-30 19:44:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2127 states. [2018-12-30 19:44:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2354 transitions. [2018-12-30 19:44:27,683 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2354 transitions. Word has length 185 [2018-12-30 19:44:27,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:27,684 INFO L480 AbstractCegarLoop]: Abstraction has 2127 states and 2354 transitions. [2018-12-30 19:44:27,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-30 19:44:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2354 transitions. [2018-12-30 19:44:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-30 19:44:27,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:27,693 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:27,693 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:27,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1003780014, now seen corresponding path program 1 times [2018-12-30 19:44:27,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:27,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:27,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:27,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:27,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:28,097 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-12-30 19:44:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:28,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:28,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:44:28,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:28,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:28,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:28,220 INFO L87 Difference]: Start difference. First operand 2127 states and 2354 transitions. Second operand 4 states. [2018-12-30 19:44:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:29,510 INFO L93 Difference]: Finished difference Result 3829 states and 4242 transitions. [2018-12-30 19:44:29,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:29,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2018-12-30 19:44:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:29,515 INFO L225 Difference]: With dead ends: 3829 [2018-12-30 19:44:29,516 INFO L226 Difference]: Without dead ends: 1564 [2018-12-30 19:44:29,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2018-12-30 19:44:29,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1563. [2018-12-30 19:44:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2018-12-30 19:44:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1686 transitions. [2018-12-30 19:44:29,545 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1686 transitions. Word has length 194 [2018-12-30 19:44:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:29,545 INFO L480 AbstractCegarLoop]: Abstraction has 1563 states and 1686 transitions. [2018-12-30 19:44:29,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1686 transitions. [2018-12-30 19:44:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-30 19:44:29,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:29,551 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-30 19:44:29,551 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:29,552 INFO L82 PathProgramCache]: Analyzing trace with hash 36518128, now seen corresponding path program 1 times [2018-12-30 19:44:29,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:29,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:29,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:29,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-30 19:44:29,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:29,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:29,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:29,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:29,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:29,759 INFO L87 Difference]: Start difference. First operand 1563 states and 1686 transitions. Second operand 3 states. [2018-12-30 19:44:30,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:30,735 INFO L93 Difference]: Finished difference Result 3264 states and 3520 transitions. [2018-12-30 19:44:30,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:30,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2018-12-30 19:44:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:30,736 INFO L225 Difference]: With dead ends: 3264 [2018-12-30 19:44:30,736 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:44:30,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:44:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:44:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:44:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:44:30,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2018-12-30 19:44:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:30,740 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:44:30,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:44:30,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:44:30,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:44:30,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:44:30,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:44:31,478 WARN L181 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2018-12-30 19:44:31,773 WARN L181 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-30 19:44:31,776 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:44:31,777 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-30 19:44:31,778 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-30 19:44:31,780 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-30 19:44:31,781 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-30 19:44:31,783 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-30 19:44:31,783 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-30 19:44:31,783 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-30 19:44:31,783 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,784 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,784 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,784 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-30 19:44:31,784 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-30 19:44:31,784 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:44:31,785 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,786 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-30 19:44:31,787 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-30 19:44:31,789 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-30 19:44:31,790 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-30 19:44:31,791 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-30 19:44:31,792 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-30 19:44:31,793 INFO L444 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse7 (= ~a11~0 1)) (.cse9 (not .cse3)) (.cse5 (= ~a17~0 8))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a28~0 9)) (.cse6 (and .cse9 .cse5)) (.cse1 (not .cse7))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse3) (and .cse5 .cse1 .cse4) (and .cse6 .cse4) (and .cse7 .cse8 .cse9) (and .cse8 .cse2) (and .cse0 .cse3) (and .cse6 .cse1))))) [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L451 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,794 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:44:31,795 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse7 (= ~a11~0 1)) (.cse9 (not .cse3)) (.cse5 (= ~a17~0 8))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a28~0 9)) (.cse6 (and .cse9 .cse5)) (.cse1 (not .cse7))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse3) (and .cse5 .cse1 .cse4) (and .cse6 .cse4) (and .cse7 .cse8 .cse9) (and .cse8 .cse2) (and .cse0 .cse3) (and .cse6 .cse1))))) [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-30 19:44:31,796 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-30 19:44:31,797 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-30 19:44:31,798 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-30 19:44:31,798 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-30 19:44:31,798 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,798 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-30 19:44:31,799 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,800 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-30 19:44:31,801 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-30 19:44:31,802 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-30 19:44:31,803 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,804 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-30 19:44:31,806 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:44:31,807 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-30 19:44:31,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:44:31 BoogieIcfgContainer [2018-12-30 19:44:31,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:44:31,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:44:31,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:44:31,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:44:31,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:10" (3/4) ... [2018-12-30 19:44:31,847 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:44:31,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:44:31,896 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:44:32,088 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:44:32,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:44:32,093 INFO L168 Benchmark]: Toolchain (without parser) took 26365.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,094 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 19:44:32,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.50 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,095 INFO L168 Benchmark]: Boogie Preprocessor took 83.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,097 INFO L168 Benchmark]: RCFGBuilder took 3403.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,097 INFO L168 Benchmark]: TraceAbstraction took 21820.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -89.1 MB). Peak memory consumption was 151.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,097 INFO L168 Benchmark]: Witness Printer took 251.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:32,101 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.50 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 176.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3403.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21820.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -89.1 MB). Peak memory consumption was 151.6 MB. Max. memory is 11.5 GB. * Witness Printer took 251.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a28 == 9 && !(a11 == 1)) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || ((a19 == 1 && !(a11 == 1)) && a25 == 1)) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((a11 == 1 && a28 == 10) && !(a25 == 1))) || (a28 == 10 && a19 == 1)) || (a28 == 9 && a25 == 1)) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a28 == 9 && !(a11 == 1)) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || ((a19 == 1 && !(a11 == 1)) && a25 == 1)) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((a11 == 1 && a28 == 10) && !(a25 == 1))) || (a28 == 10 && a19 == 1)) || (a28 == 9 && a25 == 1)) || ((!(a25 == 1) && a17 == 8) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 21.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 893 SDtfs, 2186 SDslu, 285 SDs, 0 SdLazy, 5734 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2270occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1866 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 189 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1897 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 476 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1453 NumberOfCodeBlocks, 1453 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1444 ConstructedInterpolants, 0 QuantifiedInterpolants, 728663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 463/463 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...