./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-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_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 7360833afd5a8b935377ce87ce4cc4a6584d3d0c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:54:25,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:54:25,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:54:26,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:54:26,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:54:26,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:54:26,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:54:26,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:54:26,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:54:26,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:54:26,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:54:26,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:54:26,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:54:26,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:54:26,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:54:26,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:54:26,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:54:26,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:54:26,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:54:26,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:54:26,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:54:26,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:54:26,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:54:26,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:54:26,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:54:26,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:54:26,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:54:26,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:54:26,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:54:26,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:54:26,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:54:26,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:54:26,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:54:26,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:54:26,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:54:26,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:54:26,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:54:26,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:54:26,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:54:26,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:54:26,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:54:26,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 18:54:26,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:54:26,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:54:26,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:54:26,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:54:26,094 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:54:26,095 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:54:26,095 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:54:26,095 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:54:26,095 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:54:26,095 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:54:26,095 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:54:26,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:54:26,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:54:26,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:54:26,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:54:26,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:54:26,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:54:26,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:54:26,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:54:26,097 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:54:26,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:54:26,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:54:26,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:54:26,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:54:26,098 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:54:26,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:54:26,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:54:26,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:54:26,099 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:54:26,100 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:54:26,100 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_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7360833afd5a8b935377ce87ce4cc4a6584d3d0c [2020-11-29 18:54:26,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:54:26,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:54:26,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:54:26,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:54:26,390 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:54:26,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2020-11-29 18:54:26,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/data/0e5dc15d6/1f287159c3544fef9afd54332654eb5b/FLAG10764740a [2020-11-29 18:54:26,996 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:54:26,997 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2020-11-29 18:54:27,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/data/0e5dc15d6/1f287159c3544fef9afd54332654eb5b/FLAG10764740a [2020-11-29 18:54:27,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/data/0e5dc15d6/1f287159c3544fef9afd54332654eb5b [2020-11-29 18:54:27,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:54:27,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:54:27,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:54:27,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:54:27,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:54:27,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699ce3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27, skipping insertion in model container [2020-11-29 18:54:27,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:54:27,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:54:27,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:54:27,681 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:54:27,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:54:27,764 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:54:27,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27 WrapperNode [2020-11-29 18:54:27,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:54:27,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:54:27,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:54:27,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:54:27,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:54:27,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:54:27,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:54:27,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:54:27,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... [2020-11-29 18:54:27,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:54:27,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:54:27,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:54:27,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:54:27,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:54:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:54:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:54:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:54:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:54:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:54:28,292 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:54:28,292 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 18:54:28,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:28 BoogieIcfgContainer [2020-11-29 18:54:28,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:54:28,295 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:54:28,295 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:54:28,299 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:54:28,300 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:54:28,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:54:27" (1/3) ... [2020-11-29 18:54:28,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d231af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:54:28, skipping insertion in model container [2020-11-29 18:54:28,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:54:28,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:27" (2/3) ... [2020-11-29 18:54:28,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d231af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:54:28, skipping insertion in model container [2020-11-29 18:54:28,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:54:28,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:28" (3/3) ... [2020-11-29 18:54:28,304 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2020-11-29 18:54:28,377 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:54:28,377 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:54:28,377 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:54:28,378 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:54:28,378 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:54:28,379 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:54:28,379 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:54:28,379 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:54:28,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 18:54:28,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-11-29 18:54:28,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:54:28,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:54:28,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:54:28,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 18:54:28,420 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:54:28,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 18:54:28,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-11-29 18:54:28,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:54:28,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:54:28,422 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:54:28,422 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 18:54:28,428 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13.base, main_#t~ret13.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length2~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 4#L568true assume !(main_~length1~0 < 1); 6#L568-2true assume !(main_~length2~0 < 1); 21#L571-1true assume !(main_~n~0 < 1); 13#L574-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~dst.base, cstrncat_#in~dst.offset, cstrncat_#in~src.base, cstrncat_#in~src.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post5.base, cstrncat_#t~post5.offset, cstrncat_#t~mem6, cstrncat_#t~post7.base, cstrncat_#t~post7.offset, cstrncat_#t~pre4, cstrncat_~d~0.base, cstrncat_~d~0.offset, cstrncat_~s~0.base, cstrncat_~s~0.offset, cstrncat_~dst.base, cstrncat_~dst.offset, cstrncat_~src.base, cstrncat_~src.offset, cstrncat_~n;cstrncat_~dst.base, cstrncat_~dst.offset := cstrncat_#in~dst.base, cstrncat_#in~dst.offset;cstrncat_~src.base, cstrncat_~src.offset := cstrncat_#in~src.base, cstrncat_#in~src.offset;cstrncat_~n := cstrncat_#in~n; 18#L550true assume 0 != cstrncat_~n % 4294967296;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_~dst.base, cstrncat_~dst.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~src.base, cstrncat_~src.offset; 19#L553-3true [2020-11-29 18:54:28,428 INFO L796 eck$LassoCheckResult]: Loop: 19#L553-3true call cstrncat_#t~mem2 := read~int(cstrncat_~d~0.base, cstrncat_~d~0.offset, 1); 12#L553-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~d~0.base, cstrncat_~d~0.offset;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 19#L553-3true [2020-11-29 18:54:28,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:54:28,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2020-11-29 18:54:28,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:54:28,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304300850] [2020-11-29 18:54:28,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:54:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,622 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:54:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:54:28,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2020-11-29 18:54:28,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:54:28,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834132347] [2020-11-29 18:54:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:54:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,643 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:54:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:54:28,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2020-11-29 18:54:28,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:54:28,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054425761] [2020-11-29 18:54:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:54:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:54:28,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:54:28,714 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:54:29,331 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 103 [2020-11-29 18:54:29,545 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-29 18:54:29,569 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:54:29,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:54:29,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:54:29,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:54:29,571 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:54:29,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:29,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:54:29,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:54:29,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-1.i_Iteration1_Lasso [2020-11-29 18:54:29,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:54:29,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:54:29,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:29,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,108 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-11-29 18:54:30,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:54:30,692 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-29 18:54:31,013 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-29 18:54:31,070 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:54:31,076 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,092 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 [2020-11-29 18:54:31,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,128 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 [2020-11-29 18:54:31,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,157 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 [2020-11-29 18:54:31,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:54:31,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:54:31,213 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 [2020-11-29 18:54:31,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:54:31,258 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 [2020-11-29 18:54:31,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:54:31,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,335 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 [2020-11-29 18:54:31,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,372 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 [2020-11-29 18:54:31,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:54:31,424 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 [2020-11-29 18:54:31,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,462 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 [2020-11-29 18:54:31,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,491 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 [2020-11-29 18:54:31,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:54:31,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:54:31,541 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 [2020-11-29 18:54:31,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,570 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 [2020-11-29 18:54:31,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,597 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 [2020-11-29 18:54:31,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,626 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 [2020-11-29 18:54:31,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,653 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 [2020-11-29 18:54:31,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:54:31,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,699 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 [2020-11-29 18:54:31,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:54:31,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,757 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 [2020-11-29 18:54:31,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:54:31,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,821 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 [2020-11-29 18:54:31,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:31,882 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 [2020-11-29 18:54:31,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:31,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:54:31,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,942 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 [2020-11-29 18:54:31,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:54:31,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,944 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:54:31,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:31,945 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 18:54:31,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:54:31,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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 [2020-11-29 18:54:31,977 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 [2020-11-29 18:54:31,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:54:31,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:54:31,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:54:31,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:54:32,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:54:32,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:54:32,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:54:32,257 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-29 18:54:32,257 INFO L444 ModelExtractionUtils]: 46 out of 58 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbda415f-1cea-43cd-b2f4-3209e6b1a8da/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) [2020-11-29 18:54:32,262 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 [2020-11-29 18:54:32,267 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 18:54:32,267 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:54:32,268 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~d~0.offset, v_rep(select #length ULTIMATE.start_cstrncat_~d~0.base)_1) = -1*ULTIMATE.start_cstrncat_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrncat_~d~0.base)_1 Supporting invariants [] [2020-11-29 18:54:32,344 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2020-11-29 18:54:32,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 18:54:32,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:54:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:54:32,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:54:32,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:54:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:54:32,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:54:32,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:54:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:54:32,477 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 [2020-11-29 18:54:32,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2020-11-29 18:54:32,597 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 49 states and 64 transitions. Complement of second has 7 states. [2020-11-29 18:54:32,597 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 [2020-11-29 18:54:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 18:54:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2020-11-29 18:54:32,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-29 18:54:32,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:54:32,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-29 18:54:32,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:54:32,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 4 letters. [2020-11-29 18:54:32,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:54:32,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2020-11-29 18:54:32,605 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:54:32,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2020-11-29 18:54:32,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:54:32,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:54:32,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:54:32,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:54:32,609 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:54:32,610 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:54:32,610 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:54:32,610 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:54:32,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:54:32,610 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:54:32,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:54:32,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:54:32 BoogieIcfgContainer [2020-11-29 18:54:32,615 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:54:32,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:54:32,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:54:32,616 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:54:32,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:28" (3/4) ... [2020-11-29 18:54:32,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:54:32,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:54:32,621 INFO L168 Benchmark]: Toolchain (without parser) took 5297.76 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 47.3 MB in the beginning and 100.3 MB in the end (delta: -53.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:54:32,621 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:54:32,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.66 ms. Allocated memory is still 83.9 MB. Free memory was 47.0 MB in the beginning and 50.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:54:32,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.31 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 48.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:54:32,623 INFO L168 Benchmark]: Boogie Preprocessor took 39.33 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 47.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:54:32,624 INFO L168 Benchmark]: RCFGBuilder took 419.52 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 30.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:54:32,624 INFO L168 Benchmark]: BuchiAutomizer took 4320.12 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 30.6 MB in the beginning and 100.3 MB in the end (delta: -69.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:54:32,625 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 130.0 MB. Free memory is still 100.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:54:32,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.66 ms. Allocated memory is still 83.9 MB. Free memory was 47.0 MB in the beginning and 50.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.31 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 48.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.33 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 47.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 419.52 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 30.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4320.12 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 30.6 MB in the beginning and 100.3 MB in the end (delta: -69.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.83 ms. Allocated memory is still 130.0 MB. Free memory is still 100.3 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 * d + unknown-#length-unknown[d] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 37 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf99 lsp89 ukn77 mio100 lsp53 div143 bol100 ite100 ukn100 eq177 hnf75 smp95 dnf100 smp100 tf100 neg99 sie101 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...