./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemset-alloca-2.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_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemset-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 465ac75349cd5ac4e4a553bae7fb01de4c2c6177 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:39:12,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:39:12,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:39:12,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:39:12,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:39:12,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:39:12,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:39:12,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:39:12,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:39:12,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:39:12,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:39:12,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:39:12,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:39:12,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:39:12,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:39:12,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:39:12,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:39:12,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:39:12,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:39:12,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:39:12,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:39:12,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:39:12,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:39:12,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:39:12,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:39:12,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:39:12,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:39:12,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:39:12,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:39:12,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:39:12,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:39:12,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:39:12,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:39:12,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:39:12,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:39:12,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:39:12,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:39:12,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:39:12,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:39:12,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:39:12,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:39:12,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 23:39:12,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:39:12,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:39:12,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:39:12,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:39:12,979 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:39:12,979 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:39:12,979 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:39:12,980 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:39:12,980 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:39:12,980 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:39:12,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:39:12,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:39:12,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:39:12,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:39:12,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:39:12,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:39:12,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:39:12,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:39:12,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:39:12,983 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:39:12,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:39:12,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:39:12,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:39:12,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:39:12,984 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:39:12,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:39:12,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:39:12,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:39:12,985 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:39:12,987 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:39:12,988 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_e1380a86-9ba9-436d-b50d-8321cc940501/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465ac75349cd5ac4e4a553bae7fb01de4c2c6177 [2020-11-29 23:39:13,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:39:13,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:39:13,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:39:13,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:39:13,351 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:39:13,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemset-alloca-2.i [2020-11-29 23:39:13,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/data/54eedee88/ffe72d2c225441c8a1983c778765a880/FLAG3e48984af [2020-11-29 23:39:14,008 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:39:14,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemset-alloca-2.i [2020-11-29 23:39:14,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/data/54eedee88/ffe72d2c225441c8a1983c778765a880/FLAG3e48984af [2020-11-29 23:39:14,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/data/54eedee88/ffe72d2c225441c8a1983c778765a880 [2020-11-29 23:39:14,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:39:14,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:39:14,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:14,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:39:14,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:39:14,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb98b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14, skipping insertion in model container [2020-11-29 23:39:14,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:39:14,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:39:14,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:14,740 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:39:14,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:14,849 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:39:14,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14 WrapperNode [2020-11-29 23:39:14,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:14,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:39:14,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:39:14,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:39:14,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:39:14,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:39:14,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:39:14,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:39:14,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... [2020-11-29 23:39:14,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:39:14,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:39:14,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:39:14,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:39:14,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:39:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:39:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:39:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:39:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:39:15,309 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:39:15,309 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 23:39:15,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:15 BoogieIcfgContainer [2020-11-29 23:39:15,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:39:15,312 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:39:15,312 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:39:15,321 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:39:15,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:39:15,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:39:14" (1/3) ... [2020-11-29 23:39:15,323 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f996d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:39:15, skipping insertion in model container [2020-11-29 23:39:15,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:39:15,323 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:14" (2/3) ... [2020-11-29 23:39:15,324 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f996d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:39:15, skipping insertion in model container [2020-11-29 23:39:15,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:39:15,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:15" (3/3) ... [2020-11-29 23:39:15,325 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca-2.i [2020-11-29 23:39:15,390 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:39:15,390 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:39:15,390 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:39:15,391 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:39:15,391 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:39:15,391 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:39:15,391 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:39:15,391 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:39:15,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-29 23:39:15,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 23:39:15,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:39:15,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:39:15,430 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:39:15,430 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 23:39:15,430 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:39:15,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-29 23:39:15,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 23:39:15,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:39:15,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:39:15,432 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:39:15,432 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 23:39:15,440 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; 8#L562true assume !(main_~length~0 < 1); 13#L562-2true assume !(main_~n~0 < 1); 6#L565-1true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; 11#L550true assume 0 != cmemset_~n % 4294967296;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; 3#L552-4true [2020-11-29 23:39:15,441 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; 9#L552-1true cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; 12#L552-2true assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2; 3#L552-4true [2020-11-29 23:39:15,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:15,448 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-11-29 23:39:15,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:39:15,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216350205] [2020-11-29 23:39:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:39:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,647 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:39:15,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:15,653 INFO L82 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2020-11-29 23:39:15,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:39:15,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048354892] [2020-11-29 23:39:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:39:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:39:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2020-11-29 23:39:15,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:39:15,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351210095] [2020-11-29 23:39:15,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:39:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,751 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:15,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:15,799 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:39:16,200 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-29 23:39:16,346 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:39:16,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:39:16,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:39:16,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:39:16,347 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:39:16,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:16,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:39:16,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:39:16,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca-2.i_Iteration1_Lasso [2020-11-29 23:39:16,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:39:16,349 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:39:16,371 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 23:39:16,381 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 23:39:16,385 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 23:39:16,388 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 23:39:16,404 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 23:39:16,408 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 23:39:16,411 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 23:39:16,416 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 23:39:16,422 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 23:39:16,427 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 23:39:16,432 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 23:39:16,435 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 23:39:16,439 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 23:39:16,442 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 23:39:16,446 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 23:39:16,648 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-29 23:39:16,725 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 23:39:16,735 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 23:39:16,738 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 23:39:17,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-11-29 23:39:17,439 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:39:17,443 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:17,457 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 23:39:17,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:17,506 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 23:39:17,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:17,546 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 23:39:17,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:17,573 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 23:39:17,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:17,609 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 23:39:17,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:17,659 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 23:39:17,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:17,689 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 23:39:17,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:17,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:17,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:17,719 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 23:39:17,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:39:17,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:39:17,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:17,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:17,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:17,841 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 23:39:17,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:17,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:17,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:17,896 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 23:39:17,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:17,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:17,952 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 23:39:17,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:17,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:17,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:17,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:17,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:39:17,981 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 23:39:17,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:17,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:17,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:17,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:17,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:17,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:17,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:18,026 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 23:39:18,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:18,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:18,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:39:18,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:18,057 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 23:39:18,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:18,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:18,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:18,115 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 23:39:18,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:39:18,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:39:18,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:18,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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) [2020-11-29 23:39:18,160 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 23:39:18,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:18,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:18,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:18,218 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 23:39:18,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:18,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:18,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 [2020-11-29 23:39:18,283 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 23:39:18,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:18,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:18,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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 23:39:18,332 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 23:39:18,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:39:18,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:39:18,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:39:18,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:39:18,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:39:18,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:39:18,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:39:18,526 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-29 23:39:18,526 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1380a86-9ba9-436d-b50d-8321cc940501/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) [2020-11-29 23:39:18,537 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:39:18,549 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:39:18,550 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:39:18,550 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cmemset_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cmemset_~d~0.offset Supporting invariants [] [2020-11-29 23:39:18,605 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-11-29 23:39:18,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:39:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:39:18,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 23:39:18,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:39:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:39:18,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:39:18,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:39:18,772 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 23:39:18,789 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-29 23:39:18,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-11-29 23:39:18,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 32 transitions. Complement of second has 7 states. [2020-11-29 23:39:18,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 23:39:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 23:39:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-11-29 23:39:18,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-29 23:39:18,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:39:18,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-29 23:39:18,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:39:18,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-29 23:39:18,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:39:18,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. [2020-11-29 23:39:18,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:39:18,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-11-29 23:39:18,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:39:18,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:39:18,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:39:18,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:39:18,881 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:39:18,881 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:39:18,881 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:39:18,882 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:39:18,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:39:18,882 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:39:18,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 23:39:18,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:39:18 BoogieIcfgContainer [2020-11-29 23:39:18,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:39:18,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:39:18,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:39:18,896 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:39:18,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:15" (3/4) ... [2020-11-29 23:39:18,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:39:18,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:39:18,900 INFO L168 Benchmark]: Toolchain (without parser) took 4579.08 ms. Allocated memory was 88.1 MB in the beginning and 132.1 MB in the end (delta: 44.0 MB). Free memory was 52.4 MB in the beginning and 66.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,901 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:39:18,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.19 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 55.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.30 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 53.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,908 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 ms. Allocated memory is still 88.1 MB. Free memory was 53.7 MB in the beginning and 52.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,909 INFO L168 Benchmark]: RCFGBuilder took 376.73 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.5 MB in the beginning and 81.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,910 INFO L168 Benchmark]: BuchiAutomizer took 3583.00 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 81.3 MB in the beginning and 67.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,910 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 132.1 MB. Free memory was 67.3 MB in the beginning and 66.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:18,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 529.19 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 55.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.30 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 53.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.87 ms. Allocated memory is still 88.1 MB. Free memory was 53.7 MB in the beginning and 52.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 376.73 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.5 MB in the beginning and 81.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3583.00 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 81.3 MB in the beginning and 67.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.45 ms. Allocated memory is still 132.1 MB. Free memory was 67.3 MB in the beginning and 66.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. 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 unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. 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: 14 SDtfs, 14 SDslu, 11 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital137 mio100 ax113 hnf98 lsp82 ukn93 mio100 lsp59 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms 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...