./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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 e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:19,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:19,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:19,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:19,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:19,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:19,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:19,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:19,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:19,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:19,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:19,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:19,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:19,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:19,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:19,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:19,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:19,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:19,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:20,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:20,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:20,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:20,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:20,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:20,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:20,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:20,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:20,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:20,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:20,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:20,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:20,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:20,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:20,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:20,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:20,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:20,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:20,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:20,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:20,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:20,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:20,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:10:20,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:20,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:20,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:20,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:20,083 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:20,083 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:10:20,083 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:10:20,084 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:10:20,084 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:10:20,084 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:10:20,085 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:10:20,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:20,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:20,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:10:20,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:20,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:20,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:20,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:10:20,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:10:20,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:10:20,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:20,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:20,087 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:10:20,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:20,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:10:20,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:20,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:20,089 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:10:20,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:20,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:20,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:20,091 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:10:20,093 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:10:20,093 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 [2020-11-30 01:10:20,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:20,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:20,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:20,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:20,458 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:20,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-11-30 01:10:20,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/data/9e3964506/15426a11919640778ec7c8509a8a6a61/FLAG5a33d1fdd [2020-11-30 01:10:21,075 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:21,076 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-11-30 01:10:21,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/data/9e3964506/15426a11919640778ec7c8509a8a6a61/FLAG5a33d1fdd [2020-11-30 01:10:21,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/data/9e3964506/15426a11919640778ec7c8509a8a6a61 [2020-11-30 01:10:21,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:21,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:21,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:21,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:21,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:21,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5662913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21, skipping insertion in model container [2020-11-30 01:10:21,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:21,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:21,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:21,662 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:21,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:21,693 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:21,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21 WrapperNode [2020-11-30 01:10:21,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:21,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:21,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:21,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:21,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:21,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:21,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:21,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:21,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:21,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:21,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:21,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:21,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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 [2020-11-30 01:10:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:10:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:10:22,086 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:22,087 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-30 01:10:22,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22 BoogieIcfgContainer [2020-11-30 01:10:22,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:22,090 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:10:22,090 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:10:22,093 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:10:22,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:22,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:10:21" (1/3) ... [2020-11-30 01:10:22,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52ece5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:10:22, skipping insertion in model container [2020-11-30 01:10:22,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:22,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (2/3) ... [2020-11-30 01:10:22,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52ece5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:10:22, skipping insertion in model container [2020-11-30 01:10:22,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:22,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22" (3/3) ... [2020-11-30 01:10:22,107 INFO L373 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2020-11-30 01:10:22,163 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:10:22,164 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:10:22,164 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:10:22,164 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:10:22,164 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:10:22,164 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:10:22,164 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:10:22,165 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:10:22,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 01:10:22,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-11-30 01:10:22,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:10:22,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:10:22,202 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:10:22,203 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 01:10:22,203 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:10:22,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 01:10:22,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-11-30 01:10:22,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:10:22,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:10:22,206 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:10:22,206 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 01:10:22,213 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(27);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret4, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 32 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post3.base, glob2_#t~post3.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 17#L29-4true [2020-11-30 01:10:22,213 INFO L796 eck$LassoCheckResult]: Loop: 17#L29-4true assume glob2_~p~0.base == glob2_~pathlim.base; 7#L29-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L15true assume !(0 == __VERIFIER_assert_~cond); 13#L15-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 4#L29-3true glob2_#t~post3.base, glob2_#t~post3.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post3.base, 4 + glob2_#t~post3.offset;havoc glob2_#t~post3.base, glob2_#t~post3.offset; 17#L29-4true [2020-11-30 01:10:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:22,220 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-30 01:10:22,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:22,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296955543] [2020-11-30 01:10:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:22,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:22,422 INFO L82 PathProgramCache]: Analyzing trace with hash 34522901, now seen corresponding path program 1 times [2020-11-30 01:10:22,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:22,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972428970] [2020-11-30 01:10:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,491 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:22,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1805962387, now seen corresponding path program 1 times [2020-11-30 01:10:22,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:22,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365341386] [2020-11-30 01:10:22,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:22,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:22,585 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:22,862 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-11-30 01:10:23,226 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-11-30 01:10:23,415 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-30 01:10:23,437 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:10:23,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:10:23,438 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:10:23,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:10:23,438 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:10:23,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:23,439 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:10:23,439 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:10:23,439 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc_loop.i_Iteration1_Lasso [2020-11-30 01:10:23,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:10:23,440 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:10:23,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,831 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-11-30 01:10:23,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:23,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:10:24,597 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:10:24,602 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,620 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 [2020-11-30 01:10:24,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:10:24,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:10:24,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:10:24,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,663 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 [2020-11-30 01:10:24,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:10:24,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:10:24,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:10:24,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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 [2020-11-30 01:10:24,693 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 [2020-11-30 01:10:24,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:24,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:24,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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) [2020-11-30 01:10:24,759 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 [2020-11-30 01:10:24,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:10:24,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:10:24,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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) [2020-11-30 01:10:24,811 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 [2020-11-30 01:10:24,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:10:24,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:10:24,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,858 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 [2020-11-30 01:10:24,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:24,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:24,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:24,950 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 [2020-11-30 01:10:24,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:24,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:24,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:24,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:24,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:24,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:24,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,001 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 [2020-11-30 01:10:25,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,050 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 [2020-11-30 01:10:25,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,100 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 [2020-11-30 01:10:25,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:25,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,155 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 [2020-11-30 01:10:25,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,204 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 [2020-11-30 01:10:25,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:25,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,263 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 [2020-11-30 01:10:25,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:25,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,332 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 [2020-11-30 01:10:25,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,383 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 [2020-11-30 01:10:25,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:10:25,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:10:25,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:10:25,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:10:25,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:10:25,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:10:25,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:10:25,636 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-30 01:10:25,636 INFO L444 ModelExtractionUtils]: 11 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bd3e12b-d109-43bb-8d7f-2b9d0ab7d5e4/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:10:25,645 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:10:25,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:10:25,650 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:10:25,651 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ~tmp~0.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*~tmp~0.offset + 2 Supporting invariants [] [2020-11-30 01:10:25,731 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-11-30 01:10:25,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:25,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:10:25,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:25,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:10:25,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:25,869 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-30 01:10:25,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:10:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:25,910 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-30 01:10:25,911 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2020-11-30 01:10:26,024 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 39 states and 47 transitions. Complement of second has 9 states. [2020-11-30 01:10:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-30 01:10:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:10:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-11-30 01:10:26,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 5 letters. [2020-11-30 01:10:26,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:10:26,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 7 letters. Loop has 5 letters. [2020-11-30 01:10:26,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:10:26,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 10 letters. [2020-11-30 01:10:26,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:10:26,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 47 transitions. [2020-11-30 01:10:26,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:10:26,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2020-11-30 01:10:26,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:10:26,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:10:26,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:10:26,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:10:26,045 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:10:26,045 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:10:26,045 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:10:26,045 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:10:26,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:10:26,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:10:26,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:10:26,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:10:26 BoogieIcfgContainer [2020-11-30 01:10:26,050 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:10:26,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:10:26,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:10:26,051 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:10:26,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22" (3/4) ... [2020-11-30 01:10:26,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:10:26,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:10:26,056 INFO L168 Benchmark]: Toolchain (without parser) took 4619.96 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.3 MB in the beginning and 56.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:26,057 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:26,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.17 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 76.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:26,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 74.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:26,059 INFO L168 Benchmark]: Boogie Preprocessor took 35.44 ms. Allocated memory is still 100.7 MB. Free memory was 74.7 MB in the beginning and 73.8 MB in the end (delta: 882.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:26,059 INFO L168 Benchmark]: RCFGBuilder took 317.93 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 61.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:26,060 INFO L168 Benchmark]: BuchiAutomizer took 3960.70 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 61.1 MB in the beginning and 56.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:26,060 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 121.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:26,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 252.17 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 76.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 74.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.44 ms. Allocated memory is still 100.7 MB. Free memory was 74.7 MB in the beginning and 73.8 MB in the end (delta: 882.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 317.93 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 61.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3960.70 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 61.1 MB in the beginning and 56.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.85 ms. Allocated memory is still 121.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 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 -1 * p + tmp + 2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 8 SDtfs, 12 SDslu, 17 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf100 lsp92 ukn80 mio100 lsp42 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...