./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/for_bounded_loop1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/for_bounded_loop1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:55,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:55,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:55,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:55,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:55,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:55,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:55,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:56,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:56,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:56,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:56,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:56,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:56,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:56,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:56,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:56,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:56,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:56,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:56,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:56,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:56,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:56,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:56,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:56,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:56,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:56,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:56,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:56,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:56,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:56,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:56,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:56,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:56,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:56,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:56,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:56,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:56,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:56,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:56,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:56,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:56,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:53:56,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:56,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:56,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:56,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:56,070 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:56,071 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:53:56,071 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:53:56,071 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:53:56,071 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:53:56,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:53:56,072 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:53:56,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:56,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:56,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:53:56,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:53:56,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:56,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:56,074 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:53:56,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:56,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:53:56,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:56,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:56,075 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:53:56,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:56,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:56,075 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:53:56,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:53:56,076 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_fb90337e-8daf-4865-9d6e-cc20fee2089f/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(F end) ) 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 -> 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 [2019-11-25 08:53:56,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:56,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:56,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:56,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:56,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:56,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/../../sv-benchmarks/c/loops/for_bounded_loop1.c [2019-11-25 08:53:56,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/data/aff08be94/7a9876ce119447b4b4ea2ab50632a893/FLAG9d7f01246 [2019-11-25 08:53:56,712 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:56,712 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/sv-benchmarks/c/loops/for_bounded_loop1.c [2019-11-25 08:53:56,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/data/aff08be94/7a9876ce119447b4b4ea2ab50632a893/FLAG9d7f01246 [2019-11-25 08:53:56,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/data/aff08be94/7a9876ce119447b4b4ea2ab50632a893 [2019-11-25 08:53:56,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:56,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:56,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:56,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:56,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:56,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:56" (1/1) ... [2019-11-25 08:53:56,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bd284d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:56, skipping insertion in model container [2019-11-25 08:53:56,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:56" (1/1) ... [2019-11-25 08:53:56,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:56,769 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:56,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:56,915 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:56,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:57,007 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:57,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57 WrapperNode [2019-11-25 08:53:57,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:57,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:57,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:57,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:57,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:57,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:57,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:57,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:57,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... [2019-11-25 08:53:57,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:57,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:57,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:57,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:57,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:57,394 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:57,395 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-25 08:53:57,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:57 BoogieIcfgContainer [2019-11-25 08:53:57,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:57,396 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:53:57,397 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:53:57,400 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:53:57,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:57,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:53:56" (1/3) ... [2019-11-25 08:53:57,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bed65ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:57, skipping insertion in model container [2019-11-25 08:53:57,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:57,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:57" (2/3) ... [2019-11-25 08:53:57,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bed65ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:57, skipping insertion in model container [2019-11-25 08:53:57,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:57,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:57" (3/3) ... [2019-11-25 08:53:57,404 INFO L371 chiAutomizerObserver]: Analyzing ICFG for_bounded_loop1.c [2019-11-25 08:53:57,469 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:53:57,469 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:53:57,469 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:53:57,470 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:57,470 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:57,471 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:53:57,471 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:57,471 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:53:57,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:53:57,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:53:57,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:57,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:57,515 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:53:57,515 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:53:57,515 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:53:57,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-25 08:53:57,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:53:57,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:57,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:57,518 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:53:57,518 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:53:57,525 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet3, main_#t~post2, main_~i~0, main_~x~0, main_~y~0, main_~n~0;main_~i~0 := 0;main_~x~0 := 0;main_~y~0 := 0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume !!(main_~n~0 > 0);main_~i~0 := 0; 3#L17-2true [2019-11-25 08:53:57,526 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~i~0 < main_~n~0);main_~x~0 := main_~x~0 - main_~y~0;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 16#L5-2true main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L22true assume !!(0 != main_~y~0);main_~x~0 := main_~x~0 + main_~y~0;__VERIFIER_assert_#in~cond := (if 0 != main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L5-3true assume !(0 == __VERIFIER_assert_~cond); 11#L5-5true main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2; 3#L17-2true [2019-11-25 08:53:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-25 08:53:57,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:57,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000445301] [2019-11-25 08:53:57,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,624 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:57,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1308449745, now seen corresponding path program 1 times [2019-11-25 08:53:57,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:57,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592268113] [2019-11-25 08:53:57,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,660 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1386356726, now seen corresponding path program 1 times [2019-11-25 08:53:57,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:57,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250817198] [2019-11-25 08:53:57,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:57,702 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:57,819 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-11-25 08:53:57,914 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:57,915 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:57,915 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:57,915 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:57,916 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:53:57,916 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:57,916 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:57,916 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:57,917 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2019-11-25 08:53:57,917 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:57,917 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:57,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:57,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:57,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:57,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:58,102 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:58,103 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:58,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:53:58,114 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,129 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:53:58,129 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=-6, ULTIMATE.start_main_#t~nondet3=-6} Honda state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=-6, ULTIMATE.start_main_#t~nondet3=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:58,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:53:58,145 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:53:58,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:53:58,286 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:53:58,288 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:58,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:58,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:58,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:58,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:58,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:58,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:58,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2019-11-25 08:53:58,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:58,289 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:58,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:58,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:58,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:58,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:58,455 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:58,460 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:53:58,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:58,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:58,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:58,478 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:53:58,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:58,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:53:58,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:58,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:53:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:58,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:58,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:58,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:58,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:58,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:58,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:58,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:58,527 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:53:58,527 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb90337e-8daf-4865-9d6e-cc20fee2089f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:58,542 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:53:58,542 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:53:58,543 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:58,543 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-25 08:53:58,548 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:58,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:58,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:53:58,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:58,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:53:58,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:58,639 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:53:58,640 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-25 08:53:58,700 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 53 states and 66 transitions. Complement of second has 7 states. [2019-11-25 08:53:58,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:53:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:53:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-11-25 08:53:58,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-25 08:53:58,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:58,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-25 08:53:58,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:58,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-25 08:53:58,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:58,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2019-11-25 08:53:58,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:53:58,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2019-11-25 08:53:58,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:53:58,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:53:58,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:53:58,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:58,726 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:58,727 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:58,727 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:58,727 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:53:58,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:58,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:53:58,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:53:58,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:53:58 BoogieIcfgContainer [2019-11-25 08:53:58,735 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:53:58,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:58,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:58,736 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:58,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:57" (3/4) ... [2019-11-25 08:53:58,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:53:58,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:58,744 INFO L168 Benchmark]: Toolchain (without parser) took 2005.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -81.1 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:58,745 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-11-25 08:53:58,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:58,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:58,747 INFO L168 Benchmark]: Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:58,749 INFO L168 Benchmark]: RCFGBuilder took 341.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:58,749 INFO L168 Benchmark]: BuchiAutomizer took 1338.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.6 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:58,750 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:58,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 269.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 341.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1338.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.6 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 19 SDslu, 19 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq206 hnf90 smp100 dnf171 smp100 tf104 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...