./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtoul.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtoul.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 64bit --witnessprinter.graph.data.programhash ae3203c447bfdb2bf14518f0f3c5ffb7e3155909 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:12:37,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:37,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:37,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:37,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:37,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:37,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:37,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:37,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:37,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:37,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:37,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:37,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:37,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:37,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:37,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:37,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:37,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:37,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:37,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:37,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:37,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:37,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:37,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:37,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:37,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:37,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:37,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:37,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:37,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:37,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:37,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:37,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:37,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:37,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:37,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:37,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:37,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:37,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:37,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:37,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:37,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:12:38,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:38,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:38,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:38,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:38,014 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:12:38,014 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:12:38,015 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:12:38,015 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:12:38,015 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:12:38,015 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:12:38,017 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:12:38,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:38,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:12:38,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:12:38,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:38,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:12:38,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:12:38,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:12:38,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:38,027 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:12:38,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:38,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:12:38,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:38,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:12:38,028 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:12:38,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:38,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:12:38,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:12:38,029 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:12:38,033 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:12:38,033 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_9b6f0953-d796-4404-9d67-9e00941e6238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3203c447bfdb2bf14518f0f3c5ffb7e3155909 [2020-11-30 01:12:38,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:38,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:38,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:38,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:38,425 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:38,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/strtoul.i [2020-11-30 01:12:38,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/data/ecfe14dc4/ad3cf012d9f34aa0b4a58588a58904fc/FLAG5aa327316 [2020-11-30 01:12:39,217 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:39,218 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/sv-benchmarks/c/termination-dietlibc/strtoul.i [2020-11-30 01:12:39,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/data/ecfe14dc4/ad3cf012d9f34aa0b4a58588a58904fc/FLAG5aa327316 [2020-11-30 01:12:39,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/data/ecfe14dc4/ad3cf012d9f34aa0b4a58588a58904fc [2020-11-30 01:12:39,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:39,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:39,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:39,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:39,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:39,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:39" (1/1) ... [2020-11-30 01:12:39,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6691e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:39, skipping insertion in model container [2020-11-30 01:12:39,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:39" (1/1) ... [2020-11-30 01:12:39,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:39,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:40,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:40,069 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:40,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:40,195 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:40,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40 WrapperNode [2020-11-30 01:12:40,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:40,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:40,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:40,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:40,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:40,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:40,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:40,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:40,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... [2020-11-30 01:12:40,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:40,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:40,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:40,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:40,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:12:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:12:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:12:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:12:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:41,290 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:41,290 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:12:41,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:41 BoogieIcfgContainer [2020-11-30 01:12:41,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:12:41,294 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:12:41,294 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:12:41,303 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:12:41,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:41,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:12:39" (1/3) ... [2020-11-30 01:12:41,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21cd2ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:12:41, skipping insertion in model container [2020-11-30 01:12:41,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:41,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:40" (2/3) ... [2020-11-30 01:12:41,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21cd2ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:12:41, skipping insertion in model container [2020-11-30 01:12:41,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:41,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:41" (3/3) ... [2020-11-30 01:12:41,309 INFO L373 chiAutomizerObserver]: Analyzing ICFG strtoul.i [2020-11-30 01:12:41,387 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:12:41,387 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:12:41,388 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:12:41,388 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:12:41,388 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:12:41,388 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:12:41,388 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:12:41,388 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:12:41,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states. [2020-11-30 01:12:41,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-30 01:12:41,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:41,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:41,440 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:12:41,440 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:12:41,441 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:12:41,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states. [2020-11-30 01:12:41,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-11-30 01:12:41,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:41,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:41,446 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-30 01:12:41,446 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:12:41,456 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~nondet23, main_#t~ret24, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet21;havoc main_#t~nondet21; 32#L551true assume !(main_~in_len~0 < 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet23;havoc main_#t~nondet23;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtoul_#in~ptr.base, strtoul_#in~ptr.offset, strtoul_#in~endptr.base, strtoul_#in~endptr.offset, strtoul_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtoul_#res;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset, strtoul_#t~mem2, strtoul_#t~mem4, strtoul_#t~post5.base, strtoul_#t~post5.offset, strtoul_#t~mem6, strtoul_#t~pre7.base, strtoul_#t~pre7.offset, strtoul_#t~mem8, strtoul_#t~short9, strtoul_~b~0, strtoul_#t~mem10, strtoul_#t~mem11, strtoul_#t~mem12, strtoul_#t~short13, strtoul_#t~mem14, strtoul_#t~ite17, strtoul_#t~ite16, strtoul_#t~ite15, strtoul_~x~0, strtoul_~w~0, strtoul_#t~pre18.base, strtoul_#t~pre18.offset, strtoul_~c~0, strtoul_#t~mem19, strtoul_#t~ite20, strtoul_~ptr.base, strtoul_~ptr.offset, strtoul_~endptr.base, strtoul_~endptr.offset, strtoul_~base, strtoul_~neg~0, strtoul_~v~0, strtoul_~orig~0.base, strtoul_~orig~0.offset, strtoul_~nptr~0.base, strtoul_~nptr~0.offset;strtoul_~ptr.base, strtoul_~ptr.offset := strtoul_#in~ptr.base, strtoul_#in~ptr.offset;strtoul_~endptr.base, strtoul_~endptr.offset := strtoul_#in~endptr.base, strtoul_#in~endptr.offset;strtoul_~base := strtoul_#in~base;strtoul_~neg~0 := 0;strtoul_~v~0 := 0;havoc strtoul_~orig~0.base, strtoul_~orig~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~ptr.base, strtoul_~ptr.offset; 10#L512-3true [2020-11-30 01:12:41,457 INFO L796 eck$LassoCheckResult]: Loop: 10#L512-3true call strtoul_#t~mem2 := read~int(strtoul_~nptr~0.base, strtoul_~nptr~0.offset, 1); 27#L512-1true assume !!(32 == strtoul_#t~mem2);havoc strtoul_#t~mem2;strtoul_#t~pre3.base, strtoul_#t~pre3.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset; 10#L512-3true [2020-11-30 01:12:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-30 01:12:41,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:41,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13434199] [2020-11-30 01:12:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,692 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:41,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2020-11-30 01:12:41,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:41,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416504454] [2020-11-30 01:12:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2020-11-30 01:12:41,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:41,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509525221] [2020-11-30 01:12:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:41,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:41,894 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:42,615 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-11-30 01:12:42,893 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-11-30 01:12:42,911 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:42,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:42,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:42,913 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:42,913 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:42,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:42,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:42,914 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtoul.i_Iteration1_Lasso [2020-11-30 01:12:42,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:42,915 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:42,956 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 01:12:42,963 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 01:12:42,969 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 01:12:42,980 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 01:12:42,990 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 01:12:43,001 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 01:12:43,005 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 01:12:43,009 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 01:12:43,014 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 01:12:43,019 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 01:12:43,024 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 01:12:43,030 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 01:12:43,034 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 01:12:43,039 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 01:12:43,043 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 01:12:43,055 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 01:12:43,060 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 01:12:43,064 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 01:12:43,070 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 01:12:43,075 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 01:12:43,081 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 01:12:43,085 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 01:12:43,091 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 01:12:43,115 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 01:12:43,121 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 01:12:43,128 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 01:12:43,132 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 01:12:43,136 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 01:12:43,492 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-30 01:12:43,582 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 01:12:43,587 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 01:12:43,592 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 01:12:43,597 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 01:12:43,602 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 01:12:43,608 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 01:12:43,611 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 01:12:43,615 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 01:12:43,619 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 01:12:43,622 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 01:12:43,626 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 01:12:43,633 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 01:12:44,516 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:44,527 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:44,541 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 01:12:44,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:44,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:44,604 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 01:12:44,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:44,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) [2020-11-30 01:12:44,687 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 01:12:44,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:44,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 [2020-11-30 01:12:44,739 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 01:12:44,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:44,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 [2020-11-30 01:12:44,782 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 01:12:44,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:44,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:44,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) [2020-11-30 01:12:44,860 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 01:12:44,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:44,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:44,903 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 01:12:44,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:44,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:44,961 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 01:12:44,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:44,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:44,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:44,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:44,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:44,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:44,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:44,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,006 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 01:12:45,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,048 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 01:12:45,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,091 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 01:12:45,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,144 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 01:12:45,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,237 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 01:12:45,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,302 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 01:12:45,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,308 INFO L402 nArgumentSynthesizer]: A total of 0 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 01:12:45,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,368 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 01:12:45,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:45,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:45,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/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 01:12:45,431 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 01:12:45,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,473 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 01:12:45,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,510 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 01:12:45,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:45,576 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 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:45,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:45,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,617 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 01:12:45,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,664 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 01:12:45,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,707 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 01:12:45,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,743 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 01:12:45,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,779 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 01:12:45,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,813 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 01:12:45,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,854 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 01:12:45,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,891 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 01:12:45,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:45,949 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 01:12:45,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:45,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:45,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:45,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:45,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:45,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:45,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:45,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,021 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 01:12:46,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:46,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:46,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:46,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,061 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 01:12:46,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,109 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 01:12:46,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,164 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 01:12:46,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,237 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 01:12:46,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,307 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 01:12:46,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:46,397 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 01:12:46,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,440 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 01:12:46,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:46,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:46,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:46,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:46,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:46,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:46,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:46,550 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-11-30 01:12:46,550 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b6f0953-d796-4404-9d67-9e00941e6238/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:46,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:46,571 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:46,571 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:46,572 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtoul_~nptr~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_1) = -1*ULTIMATE.start_strtoul_~nptr~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_1 Supporting invariants [] [2020-11-30 01:12:46,756 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-30 01:12:46,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:46,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:46,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 01:12:46,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:46,911 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:46,937 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 01:12:46,962 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 [2020-11-30 01:12:46,964 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states. Second operand 3 states. [2020-11-30 01:12:47,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states.. Second operand 3 states. Result 115 states and 179 transitions. Complement of second has 8 states. [2020-11-30 01:12:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:12:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-11-30 01:12:47,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-30 01:12:47,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:47,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 01:12:47,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:47,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-30 01:12:47,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:47,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 179 transitions. [2020-11-30 01:12:47,285 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:12:47,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 0 states and 0 transitions. [2020-11-30 01:12:47,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:12:47,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:12:47,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:12:47,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:12:47,330 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:47,330 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:47,330 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:47,330 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:12:47,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:12:47,330 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:12:47,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:12:47,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:12:47 BoogieIcfgContainer [2020-11-30 01:12:47,335 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:12:47,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:12:47,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:12:47,337 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:12:47,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:41" (3/4) ... [2020-11-30 01:12:47,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:12:47,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:12:47,344 INFO L168 Benchmark]: Toolchain (without parser) took 7827.72 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 63.5 MB in the beginning and 108.3 MB in the end (delta: -44.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,344 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.80 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 51.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.17 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 48.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,348 INFO L168 Benchmark]: Boogie Preprocessor took 60.25 ms. Allocated memory is still 88.1 MB. Free memory was 48.8 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,355 INFO L168 Benchmark]: RCFGBuilder took 967.62 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 47.2 MB in the end (delta: -180.9 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,356 INFO L168 Benchmark]: BuchiAutomizer took 6041.61 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 47.2 MB in the beginning and 108.3 MB in the end (delta: -61.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,357 INFO L168 Benchmark]: Witness Printer took 6.16 ms. Allocated memory is still 136.3 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.80 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 51.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.17 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 48.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.25 ms. Allocated memory is still 88.1 MB. Free memory was 48.8 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 967.62 ms. Allocated memory is still 88.1 MB. Free memory was 47.0 MB in the beginning and 47.2 MB in the end (delta: -180.9 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6041.61 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 47.2 MB in the beginning and 108.3 MB in the end (delta: -61.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.16 ms. Allocated memory is still 136.3 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 * nptr + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. 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: 34 SDtfs, 49 SDslu, 34 SDs, 0 SdLazy, 42 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax100 hnf100 lsp91 ukn64 mio100 lsp36 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...