./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer --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 5360c3d4aebe9582cd01259f723ea710f280bf1f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:55:42,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:55:42,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:55:42,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:55:42,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:55:42,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:55:42,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:55:42,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:55:42,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:55:42,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:55:42,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:55:42,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:55:42,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:55:42,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:55:42,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:55:42,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:55:42,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:55:42,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:55:42,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:55:42,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:55:42,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:55:42,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:55:42,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:55:42,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:55:42,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:55:42,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:55:42,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:55:42,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:55:42,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:55:42,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:55:42,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:55:42,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:55:42,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:55:42,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:55:42,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:55:42,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:55:42,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:55:42,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:55:42,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:55:42,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:55:42,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:55:42,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:55:42,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:55:42,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:55:42,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:55:42,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:55:42,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:55:42,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:55:42,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:55:42,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:55:42,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:55:42,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:55:42,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:55:42,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:55:42,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:55:42,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:55:42,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:55:42,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:55:42,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:55:42,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:55:42,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:55:42,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:55:42,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:55:42,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:55:42,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:55:42,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:55:42,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:55:42,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:55:42,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:55:42,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:55:42,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer 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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-15 21:55:42,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:55:42,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:55:42,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:55:42,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:55:42,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:55:42,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-15 21:55:42,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/data/3d8a4d21f/5bc46d16d04f48d5b5ab02ede083fc9f/FLAG85297dcd9 [2019-11-15 21:55:43,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:55:43,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-15 21:55:43,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/data/3d8a4d21f/5bc46d16d04f48d5b5ab02ede083fc9f/FLAG85297dcd9 [2019-11-15 21:55:43,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/data/3d8a4d21f/5bc46d16d04f48d5b5ab02ede083fc9f [2019-11-15 21:55:43,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:55:43,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:55:43,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:55:43,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:55:43,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:55:43,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:43,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b17023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43, skipping insertion in model container [2019-11-15 21:55:43,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:43,401 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:55:43,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:55:43,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:55:43,879 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:55:43,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:55:43,993 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:55:43,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43 WrapperNode [2019-11-15 21:55:43,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:55:43,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:55:43,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:55:43,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:55:44,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:55:44,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:55:44,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:55:44,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:55:44,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... [2019-11-15 21:55:44,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:55:44,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:55:44,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:55:44,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:55:44,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/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 [2019-11-15 21:55:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:55:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:55:45,524 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:55:45,525 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 21:55:45,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:55:45 BoogieIcfgContainer [2019-11-15 21:55:45,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:55:45,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:55:45,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:55:45,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:55:45,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:55:43" (1/3) ... [2019-11-15 21:55:45,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acc22c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:55:45, skipping insertion in model container [2019-11-15 21:55:45,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:55:43" (2/3) ... [2019-11-15 21:55:45,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acc22c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:55:45, skipping insertion in model container [2019-11-15 21:55:45,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:55:45" (3/3) ... [2019-11-15 21:55:45,535 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2019-11-15 21:55:45,543 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:55:45,549 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:55:45,556 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:55:45,578 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:55:45,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:55:45,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:55:45,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:55:45,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:55:45,579 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:55:45,580 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:55:45,580 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:55:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-15 21:55:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 21:55:45,609 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:45,610 INFO L380 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] [2019-11-15 21:55:45,612 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:45,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1124491187, now seen corresponding path program 1 times [2019-11-15 21:55:45,621 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:45,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512176215] [2019-11-15 21:55:45,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:45,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:45,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:55:45,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512176215] [2019-11-15 21:55:45,985 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:45,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:55:45,986 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611834677] [2019-11-15 21:55:45,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:55:45,993 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:46,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:55:46,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:46,009 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-15 21:55:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:47,489 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-15 21:55:47,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:55:47,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-15 21:55:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:47,507 INFO L225 Difference]: With dead ends: 739 [2019-11-15 21:55:47,508 INFO L226 Difference]: Without dead ends: 445 [2019-11-15 21:55:47,512 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-15 21:55:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-15 21:55:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-15 21:55:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-15 21:55:47,571 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 99 [2019-11-15 21:55:47,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:47,572 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-15 21:55:47,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:55:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-15 21:55:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-15 21:55:47,578 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:47,579 INFO L380 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] [2019-11-15 21:55:47,579 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:47,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:47,580 INFO L82 PathProgramCache]: Analyzing trace with hash -661756398, now seen corresponding path program 1 times [2019-11-15 21:55:47,580 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:47,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597780154] [2019-11-15 21:55:47,580 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:47,580 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:47,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:55:47,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597780154] [2019-11-15 21:55:47,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:47,701 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:55:47,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245228235] [2019-11-15 21:55:47,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:55:47,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:47,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:55:47,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:47,703 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-15 21:55:48,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:48,666 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-15 21:55:48,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:55:48,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-11-15 21:55:48,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:48,673 INFO L225 Difference]: With dead ends: 1470 [2019-11-15 21:55:48,673 INFO L226 Difference]: Without dead ends: 1027 [2019-11-15 21:55:48,675 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:48,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-15 21:55:48,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-15 21:55:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-15 21:55:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-15 21:55:48,711 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 117 [2019-11-15 21:55:48,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:48,711 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-15 21:55:48,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:55:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-15 21:55:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-15 21:55:48,715 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:48,715 INFO L380 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] [2019-11-15 21:55:48,716 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:48,716 INFO L82 PathProgramCache]: Analyzing trace with hash -612453497, now seen corresponding path program 1 times [2019-11-15 21:55:48,716 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:48,717 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590247855] [2019-11-15 21:55:48,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:48,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:48,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:55:48,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590247855] [2019-11-15 21:55:48,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:48,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:55:48,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462147144] [2019-11-15 21:55:48,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:55:48,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:48,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:55:48,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:48,811 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-15 21:55:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:49,902 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-15 21:55:49,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:55:49,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-11-15 21:55:49,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:49,915 INFO L225 Difference]: With dead ends: 2582 [2019-11-15 21:55:49,916 INFO L226 Difference]: Without dead ends: 1855 [2019-11-15 21:55:49,918 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:49,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-15 21:55:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-15 21:55:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-15 21:55:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-15 21:55:49,980 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 121 [2019-11-15 21:55:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:49,982 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-15 21:55:49,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:55:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-15 21:55:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-15 21:55:49,990 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:49,991 INFO L380 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] [2019-11-15 21:55:49,991 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:49,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:49,992 INFO L82 PathProgramCache]: Analyzing trace with hash 519114652, now seen corresponding path program 1 times [2019-11-15 21:55:49,992 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:49,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362002093] [2019-11-15 21:55:49,992 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:49,992 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:49,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:55:50,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362002093] [2019-11-15 21:55:50,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:50,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:55:50,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57767541] [2019-11-15 21:55:50,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:55:50,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:50,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:55:50,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:55:50,095 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-15 21:55:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:50,734 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-15 21:55:50,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:55:50,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-11-15 21:55:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:50,747 INFO L225 Difference]: With dead ends: 3840 [2019-11-15 21:55:50,747 INFO L226 Difference]: Without dead ends: 2272 [2019-11-15 21:55:50,751 INFO L600 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 [2019-11-15 21:55:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-15 21:55:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-15 21:55:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-15 21:55:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-15 21:55:50,805 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 121 [2019-11-15 21:55:50,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:50,805 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-15 21:55:50,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:55:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-15 21:55:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-15 21:55:50,810 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:50,810 INFO L380 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] [2019-11-15 21:55:50,811 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:50,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:50,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1585632305, now seen corresponding path program 1 times [2019-11-15 21:55:50,811 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:50,812 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088717333] [2019-11-15 21:55:50,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:50,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:50,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:55:50,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088717333] [2019-11-15 21:55:50,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:50,945 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:55:50,945 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098746852] [2019-11-15 21:55:50,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:55:50,946 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:50,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:55:50,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:55:50,947 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-15 21:55:51,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:51,543 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-15 21:55:51,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:55:51,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-15 21:55:51,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:51,557 INFO L225 Difference]: With dead ends: 5381 [2019-11-15 21:55:51,558 INFO L226 Difference]: Without dead ends: 2546 [2019-11-15 21:55:51,563 INFO L600 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 [2019-11-15 21:55:51,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-15 21:55:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-15 21:55:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-15 21:55:51,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-15 21:55:51,614 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 126 [2019-11-15 21:55:51,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:51,616 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-15 21:55:51,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:55:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-15 21:55:51,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-15 21:55:51,620 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:51,620 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:55:51,620 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:51,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:51,621 INFO L82 PathProgramCache]: Analyzing trace with hash 426939321, now seen corresponding path program 1 times [2019-11-15 21:55:51,621 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:51,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077410787] [2019-11-15 21:55:51,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:51,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:51,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 21:55:51,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077410787] [2019-11-15 21:55:51,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:51,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:55:51,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418780003] [2019-11-15 21:55:51,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:55:51,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:51,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:55:51,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:51,728 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-15 21:55:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:52,370 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-15 21:55:52,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:55:52,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-11-15 21:55:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:52,381 INFO L225 Difference]: With dead ends: 4388 [2019-11-15 21:55:52,381 INFO L226 Difference]: Without dead ends: 1985 [2019-11-15 21:55:52,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:55:52,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-15 21:55:52,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-15 21:55:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-15 21:55:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-15 21:55:52,417 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 137 [2019-11-15 21:55:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:52,417 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-15 21:55:52,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:55:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-15 21:55:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-15 21:55:52,421 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:52,421 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-11-15 21:55:52,421 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:52,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:52,422 INFO L82 PathProgramCache]: Analyzing trace with hash 825573273, now seen corresponding path program 1 times [2019-11-15 21:55:52,422 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:52,422 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457287256] [2019-11-15 21:55:52,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:52,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:52,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 21:55:52,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457287256] [2019-11-15 21:55:52,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:55:52,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:55:52,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191692183] [2019-11-15 21:55:52,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:55:52,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:52,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:55:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:55:52,481 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-15 21:55:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:52,925 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-15 21:55:52,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:55:52,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-15 21:55:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:52,932 INFO L225 Difference]: With dead ends: 3411 [2019-11-15 21:55:52,932 INFO L226 Difference]: Without dead ends: 1707 [2019-11-15 21:55:52,934 INFO L600 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 [2019-11-15 21:55:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-15 21:55:52,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-15 21:55:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-15 21:55:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-15 21:55:52,965 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 150 [2019-11-15 21:55:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:52,966 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-15 21:55:52,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:55:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-15 21:55:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-15 21:55:52,971 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:55:52,972 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:55:52,972 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:55:52,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:55:52,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1830161714, now seen corresponding path program 1 times [2019-11-15 21:55:52,973 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:55:52,973 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346284769] [2019-11-15 21:55:52,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:52,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:55:52,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:55:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-15 21:55:53,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346284769] [2019-11-15 21:55:53,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320196957] [2019-11-15 21:55:53,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:55:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:55:53,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:55:53,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:55:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-15 21:55:53,338 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:55:53,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 21:55:53,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173618194] [2019-11-15 21:55:53,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:55:53,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:55:53,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:55:53,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:55:53,340 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-15 21:55:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:55:53,835 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-15 21:55:53,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:55:53,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2019-11-15 21:55:53,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:55:53,836 INFO L225 Difference]: With dead ends: 3818 [2019-11-15 21:55:53,836 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:55:53,839 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:55:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:55:53,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:55:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:55:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:55:53,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-11-15 21:55:53,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:55:53,841 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:55:53,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:55:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:55:53,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:55:54,048 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:55:54,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:55:54,388 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 21:55:54,643 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-15 21:55:54,645 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-15 21:55:54,646 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-15 21:55:54,647 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-15 21:55:54,648 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-15 21:55:54,649 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,650 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-15 21:55:54,651 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-15 21:55:54,652 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,653 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,654 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-15 21:55:54,655 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,656 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,657 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-15 21:55:54,658 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,659 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-15 21:55:54,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2019-11-15 21:55:54,661 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-15 21:55:54,661 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-15 21:55:54,661 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 21:55:54,661 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-15 21:55:54,662 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-15 21:55:54,663 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,664 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-15 21:55:54,665 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-15 21:55:54,666 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-15 21:55:54,667 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,668 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-15 21:55:54,669 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-15 21:55:54,670 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-15 21:55:54,671 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-15 21:55:54,672 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,673 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-15 21:55:54,674 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-15 21:55:54,675 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-15 21:55:54,676 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-15 21:55:54,676 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-15 21:55:54,676 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-15 21:55:54,676 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-15 21:55:54,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:55:54 BoogieIcfgContainer [2019-11-15 21:55:54,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:55:54,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:55:54,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:55:54,715 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:55:54,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:55:45" (3/4) ... [2019-11-15 21:55:54,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:55:54,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 21:55:54,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:55:54,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9d8bd008-4666-4fde-aff7-9d8671e251b7/bin/uautomizer/witness.graphml [2019-11-15 21:55:54,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:55:54,962 INFO L168 Benchmark]: Toolchain (without parser) took 11579.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 944.7 MB in the beginning and 834.5 MB in the end (delta: 110.3 MB). Peak memory consumption was 414.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,962 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:55:54,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.19 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,963 INFO L168 Benchmark]: Boogie Preprocessor took 53.25 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,964 INFO L168 Benchmark]: RCFGBuilder took 1396.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,964 INFO L168 Benchmark]: TraceAbstraction took 9186.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 977.4 MB in the beginning and 856.7 MB in the end (delta: 120.7 MB). Peak memory consumption was 295.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,966 INFO L168 Benchmark]: Witness Printer took 245.74 ms. Allocated memory is still 1.3 GB. Free memory was 856.7 MB in the beginning and 834.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:55:54,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 611.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.19 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.25 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1396.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9186.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 977.4 MB in the beginning and 856.7 MB in the end (delta: 120.7 MB). Peak memory consumption was 295.2 MB. Max. memory is 11.5 GB. * Witness Printer took 245.74 ms. Allocated memory is still 1.3 GB. Free memory was 856.7 MB in the beginning and 834.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1152 SDtfs, 1599 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1350 ConstructedInterpolants, 0 QuantifiedInterpolants, 442232 SizeOfPredicates, 1 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...