./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.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_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 20ffcafc6849eb5f9469bdb1ab705ebc8209d0d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:16:16,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:16:16,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:16:16,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:16:16,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:16:16,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:16:16,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:16:16,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:16:16,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:16:16,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:16:16,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:16:16,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:16:16,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:16:16,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:16:16,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:16:16,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:16:16,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:16:17,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:16:17,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:16:17,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:16:17,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:16:17,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:16:17,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:16:17,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:16:17,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:16:17,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:16:17,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:16:17,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:16:17,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:16:17,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:16:17,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:16:17,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:16:17,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:16:17,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:16:17,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:16:17,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:16:17,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:16:17,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:16:17,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:16:17,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:16:17,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:16:17,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:16:17,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:16:17,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:16:17,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:16:17,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:16:17,103 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:16:17,104 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:16:17,104 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:16:17,104 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:16:17,105 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:16:17,105 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:16:17,106 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:16:17,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:16:17,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:16:17,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:16:17,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:16:17,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:16:17,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:16:17,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:16:17,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:16:17,109 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:16:17,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:16:17,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:16:17,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:16:17,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:16:17,110 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:16:17,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:16:17,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:16:17,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:16:17,111 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:16:17,114 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:16:17,115 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_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ffcafc6849eb5f9469bdb1ab705ebc8209d0d9 [2020-11-30 01:16:17,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:16:17,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:16:17,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:16:17,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:16:17,547 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:16:17,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2020-11-30 01:16:17,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/data/7777982e7/3e4caf19194946cbb93d998d898a952c/FLAG1b98ab3e5 [2020-11-30 01:16:18,417 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:16:18,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2020-11-30 01:16:18,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/data/7777982e7/3e4caf19194946cbb93d998d898a952c/FLAG1b98ab3e5 [2020-11-30 01:16:18,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/bin/uautomizer/data/7777982e7/3e4caf19194946cbb93d998d898a952c [2020-11-30 01:16:18,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:16:18,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:16:18,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:16:18,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:16:18,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:16:18,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:16:18" (1/1) ... [2020-11-30 01:16:18,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78005399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:18, skipping insertion in model container [2020-11-30 01:16:18,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:16:18" (1/1) ... [2020-11-30 01:16:18,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:16:18,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:16:19,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:16:19,145 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:16:19,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:16:19,265 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:16:19,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19 WrapperNode [2020-11-30 01:16:19,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:16:19,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:16:19,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:16:19,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:16:19,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:16:19,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:16:19,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:16:19,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:16:19,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... [2020-11-30 01:16:19,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:16:19,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:16:19,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:16:19,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:16:19,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:16:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:16:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:16:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:16:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:16:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:16:19,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:16:19,951 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:16:19,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:19 BoogieIcfgContainer [2020-11-30 01:16:19,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:16:19,954 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:16:19,955 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:16:19,960 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:16:19,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:16:19,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:16:18" (1/3) ... [2020-11-30 01:16:19,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4ecd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:16:19, skipping insertion in model container [2020-11-30 01:16:19,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:16:19,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:19" (2/3) ... [2020-11-30 01:16:19,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4ecd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:16:19, skipping insertion in model container [2020-11-30 01:16:19,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:16:19,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:19" (3/3) ... [2020-11-30 01:16:19,966 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-1.i [2020-11-30 01:16:20,027 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:16:20,027 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:16:20,027 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:16:20,027 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:16:20,027 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:16:20,027 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:16:20,028 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:16:20,028 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:16:20,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 01:16:20,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:16:20,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:16:20,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:16:20,075 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:16:20,076 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:16:20,076 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:16:20,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-30 01:16:20,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:16:20,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:16:20,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:16:20,082 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:16:20,082 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:16:20,093 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 14#L560true assume !(main_~length1~0 < 1); 3#L560-2true assume !(main_~length2~0 < 2); 11#L563-1true assume !(main_~length3~0 < 1); 5#L566-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset, cstrcat_#t~mem2, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 4#L550-3true [2020-11-30 01:16:20,094 INFO L796 eck$LassoCheckResult]: Loop: 4#L550-3true call cstrcat_#t~mem2 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 16#L550-1true assume !!(0 != cstrcat_#t~mem2);havoc cstrcat_#t~mem2;cstrcat_#t~post3.base, cstrcat_#t~post3.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post3.base, 1 + cstrcat_#t~post3.offset;havoc cstrcat_#t~post3.base, cstrcat_#t~post3.offset; 4#L550-3true [2020-11-30 01:16:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:20,109 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-11-30 01:16:20,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:20,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282213189] [2020-11-30 01:16:20,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,423 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:16:20,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:20,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-11-30 01:16:20,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:20,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298950241] [2020-11-30 01:16:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,484 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:16:20,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:20,486 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-11-30 01:16:20,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:20,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297573921] [2020-11-30 01:16:20,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:16:20,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:16:20,567 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:16:21,206 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2020-11-30 01:16:21,399 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-30 01:16:21,417 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:16:21,418 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:16:21,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:16:21,418 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:16:21,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:16:21,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:21,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:16:21,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:16:21,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-1.i_Iteration1_Lasso [2020-11-30 01:16:21,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:16:21,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:16:21,473 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 01:16:21,481 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 01:16:21,486 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 01:16:21,490 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 01:16:21,494 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 01:16:21,500 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 01:16:21,505 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 01:16:21,509 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 01:16:21,523 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 01:16:21,527 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 01:16:21,531 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 01:16:21,536 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 01:16:21,539 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 01:16:21,543 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 01:16:21,547 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 01:16:21,555 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 01:16:21,559 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 01:16:21,563 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 01:16:21,569 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 01:16:21,997 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-11-30 01:16:22,091 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 01:16:22,097 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 01:16:22,102 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 01:16:22,382 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-30 01:16:22,874 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:16:22,879 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:22,893 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 01:16:22,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:22,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:22,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:22,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:22,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:22,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:22,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:22,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) [2020-11-30 01:16:22,964 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 01:16:22,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:22,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:22,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:22,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:22,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:22,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:22,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:22,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,021 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 01:16:23,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,025 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 01:16:23,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,061 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 01:16:23,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,097 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 01:16:23,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,180 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 01:16:23,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,184 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 01:16:23,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,235 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 01:16:23,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,277 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 01:16:23,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,329 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 01:16:23,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) [2020-11-30 01:16:23,384 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 01:16:23,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,433 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 01:16:23,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) [2020-11-30 01:16:23,490 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,536 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 01:16:23,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,569 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,606 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 01:16:23,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,647 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 01:16:23,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,682 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 01:16:23,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,723 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 01:16:23,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:16:23,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:16:23,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:16:23,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:23,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:16:23,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,812 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 01:16:23,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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 01:16:23,855 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 01:16:23,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:16:23,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:16:23,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:16:23,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:16:23,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:16:23,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:16:23,921 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:16:24,251 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-11-30 01:16:24,251 INFO L444 ModelExtractionUtils]: 14 out of 49 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d342bd5b-34fd-4bf3-ad45-cfb3c8e1cc73/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) [2020-11-30 01:16:24,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:16:24,271 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-30 01:16:24,271 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:16:24,272 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s~0.offset, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_cstrcat_~s~0.offset + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 + 1*ULTIMATE.start_main_~length2~0 >= 0] [2020-11-30 01:16:24,427 INFO L297 tatePredicateManager]: 8 out of 10 supporting invariants were superfluous and have been removed [2020-11-30 01:16:24,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:24,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 01:16:24,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:24,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 01:16:24,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:24,613 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 01:16:24,636 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 01:16:24,637 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-11-30 01:16:24,750 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 32 states and 42 transitions. Complement of second has 8 states. [2020-11-30 01:16:24,756 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 01:16:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:16:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-11-30 01:16:24,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-30 01:16:24,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:16:24,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-30 01:16:24,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:16:24,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-30 01:16:24,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:16:24,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2020-11-30 01:16:24,769 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:16:24,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-11-30 01:16:24,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:16:24,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:16:24,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:16:24,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:16:24,776 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:16:24,776 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:16:24,776 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:16:24,777 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:16:24,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:16:24,777 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:16:24,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:16:24,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:16:24 BoogieIcfgContainer [2020-11-30 01:16:24,784 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:16:24,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:16:24,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:16:24,788 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:16:24,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:19" (3/4) ... [2020-11-30 01:16:24,792 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:16:24,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:16:24,796 INFO L168 Benchmark]: Toolchain (without parser) took 6080.49 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 71.7 MB in the beginning and 75.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:16:24,797 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 50.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:16:24,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.33 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 72.2 MB in the end (delta: -422.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:16:24,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 69.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:16:24,806 INFO L168 Benchmark]: Boogie Preprocessor took 68.84 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 68.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:16:24,806 INFO L168 Benchmark]: RCFGBuilder took 550.89 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 52.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:16:24,807 INFO L168 Benchmark]: BuchiAutomizer took 4829.65 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 75.5 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:16:24,808 INFO L168 Benchmark]: Witness Printer took 5.74 ms. Allocated memory is still 125.8 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:16:24,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 50.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.33 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 72.2 MB in the end (delta: -422.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 69.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.84 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 68.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 550.89 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 52.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4829.65 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 75.5 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.74 ms. Allocated memory is still 125.8 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + length2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 7 SDs, 0 SdLazy, 8 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax109 hnf99 lsp88 ukn78 mio100 lsp50 div100 bol100 ite100 ukn100 eq186 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms 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...