./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.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_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 051dd1d5deb7603ef8d45e2ac843d269d4cbaf6c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:34,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:34,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:34,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:34,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:34,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:34,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:34,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:34,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:34,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:34,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:34,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:34,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:34,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:34,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:34,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:34,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:34,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:34,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:34,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:34,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:34,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:34,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:34,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:34,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:34,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:34,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:34,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:34,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:34,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:34,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:34,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:34,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:34,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:34,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:34,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:34,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:34,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:34,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:34,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:34,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:34,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:17:35,038 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:35,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:35,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:35,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:35,041 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:35,041 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:17:35,041 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:17:35,042 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:17:35,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:17:35,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:17:35,043 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:17:35,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:35,044 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:17:35,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:35,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:35,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:17:35,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:17:35,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:17:35,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:35,046 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:17:35,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:35,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:17:35,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:35,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:35,047 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:17:35,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:35,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:35,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:35,048 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:17:35,050 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:17:35,051 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_cc0367e6-4a17-4479-a146-3dd9004ad064/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051dd1d5deb7603ef8d45e2ac843d269d4cbaf6c [2020-11-28 03:17:35,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:35,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:35,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:35,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:35,411 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:35,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i [2020-11-28 03:17:35,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/data/b9157661a/6339abf2528d47abbe26deb06093cf34/FLAG12c6c958d [2020-11-28 03:17:36,162 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:36,163 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i [2020-11-28 03:17:36,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/data/b9157661a/6339abf2528d47abbe26deb06093cf34/FLAG12c6c958d [2020-11-28 03:17:36,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/data/b9157661a/6339abf2528d47abbe26deb06093cf34 [2020-11-28 03:17:36,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:36,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:36,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:36,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:36,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:36,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:36" (1/1) ... [2020-11-28 03:17:36,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c97b026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:36, skipping insertion in model container [2020-11-28 03:17:36,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:36" (1/1) ... [2020-11-28 03:17:36,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:36,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:36,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:36,913 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:36,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:37,052 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:37,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37 WrapperNode [2020-11-28 03:17:37,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:37,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:37,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:37,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:37,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:37,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:37,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:37,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:37,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... [2020-11-28 03:17:37,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:37,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:37,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:37,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:37,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:17:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:17:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:17:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:37,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:37,640 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:37,642 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:17:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:37 BoogieIcfgContainer [2020-11-28 03:17:37,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:37,645 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:17:37,645 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:17:37,648 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:17:37,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:37,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:36" (1/3) ... [2020-11-28 03:17:37,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76374328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:37, skipping insertion in model container [2020-11-28 03:17:37,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:37,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:37" (2/3) ... [2020-11-28 03:17:37,651 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76374328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:37, skipping insertion in model container [2020-11-28 03:17:37,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:37,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:37" (3/3) ... [2020-11-28 03:17:37,653 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcmp_mixed_alloca.i [2020-11-28 03:17:37,721 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:17:37,721 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:17:37,721 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:17:37,721 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:37,722 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:37,722 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:17:37,722 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:37,722 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:17:37,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-28 03:17:37,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:37,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:37,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:37,771 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:17:37,771 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:37,771 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:17:37,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-11-28 03:17:37,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:37,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:37,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:37,775 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:17:37,775 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:37,783 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 4#L378-2true assume !(main_~length2~0 < 1); 13#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 7#L367-5true [2020-11-28 03:17:37,784 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 3#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 5#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~short208;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset - 1;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 7#L367-5true [2020-11-28 03:17:37,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:37,793 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-11-28 03:17:37,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:37,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968121088] [2020-11-28 03:17:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:37,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:37,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:38,022 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:38,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:38,027 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2020-11-28 03:17:38,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:38,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013426338] [2020-11-28 03:17:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:38,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:38,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:38,080 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:38,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:38,093 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2020-11-28 03:17:38,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:38,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175793225] [2020-11-28 03:17:38,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:38,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:38,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:38,189 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:38,388 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-11-28 03:17:38,838 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2020-11-28 03:17:38,985 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:17:38,999 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:38,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:38,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:38,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:39,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:39,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:39,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:39,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_mixed_alloca.i_Iteration1_Lasso [2020-11-28 03:17:39,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:39,001 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:39,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,522 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-11-28 03:17:39,720 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-11-28 03:17:39,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:39,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:40,066 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-28 03:17:40,467 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:40,472 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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) [2020-11-28 03:17:40,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:40,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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) [2020-11-28 03:17:40,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:40,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,579 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 [2020-11-28 03:17:40,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,612 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 [2020-11-28 03:17:40,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:40,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:40,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,653 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 [2020-11-28 03:17:40,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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) [2020-11-28 03:17:40,715 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 [2020-11-28 03:17:40,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,719 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 [2020-11-28 03:17:40,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,752 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 [2020-11-28 03:17:40,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,793 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 [2020-11-28 03:17:40,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:40,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:40,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,863 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 [2020-11-28 03:17:40,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,889 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 [2020-11-28 03:17:40,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:40,934 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 [2020-11-28 03:17:40,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:40,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:40,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:40,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:40,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:40,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:40,990 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 [2020-11-28 03:17:40,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:40,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:40,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:40,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:41,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:41,031 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 [2020-11-28 03:17:41,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:41,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:41,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:41,065 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 [2020-11-28 03:17:41,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:41,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,068 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:17:41,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,070 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:17:41,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:41,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:41,104 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 [2020-11-28 03:17:41,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:41,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:41,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:41,177 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 [2020-11-28 03:17:41,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:41,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:41,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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) [2020-11-28 03:17:41,233 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 [2020-11-28 03:17:41,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:41,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,238 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 [2020-11-28 03:17:41,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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 [2020-11-28 03:17:41,276 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 [2020-11-28 03:17:41,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:41,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:41,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:41,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:41,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:41,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:41,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:41,605 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-11-28 03:17:41,605 INFO L444 ModelExtractionUtils]: 28 out of 46 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc0367e6-4a17-4479-a146-3dd9004ad064/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) [2020-11-28 03:17:41,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:41,617 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:17:41,618 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:41,618 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2020-11-28 03:17:41,701 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-11-28 03:17:41,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:17:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:41,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:41,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:41,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:41,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:41,847 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 [2020-11-28 03:17:41,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-11-28 03:17:41,929 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 29 states and 38 transitions. Complement of second has 6 states. [2020-11-28 03:17:41,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-11-28 03:17:41,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2020-11-28 03:17:41,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:41,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 3 letters. [2020-11-28 03:17:41,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:41,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 6 letters. [2020-11-28 03:17:41,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:41,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2020-11-28 03:17:41,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:17:41,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-11-28 03:17:41,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:17:41,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:17:41,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:17:41,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:17:41,947 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:41,947 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:41,948 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:41,948 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:17:41,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:17:41,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:17:41,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:17:41,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:17:41 BoogieIcfgContainer [2020-11-28 03:17:41,956 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:17:41,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:41,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:41,960 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:41,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:37" (3/4) ... [2020-11-28 03:17:41,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:17:41,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:41,965 INFO L168 Benchmark]: Toolchain (without parser) took 5532.14 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 87.6 MB in the beginning and 51.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:41,967 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:41,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.4 MB in the beginning and 74.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:41,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.47 ms. Allocated memory is still 115.3 MB. Free memory was 74.3 MB in the beginning and 72.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:41,974 INFO L168 Benchmark]: Boogie Preprocessor took 37.45 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 71.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:41,975 INFO L168 Benchmark]: RCFGBuilder took 473.95 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 56.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:41,975 INFO L168 Benchmark]: BuchiAutomizer took 4311.16 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 56.3 MB in the beginning and 51.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:41,976 INFO L168 Benchmark]: Witness Printer took 5.15 ms. Allocated memory is still 140.5 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:41,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.4 MB in the beginning and 74.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.47 ms. Allocated memory is still 115.3 MB. Free memory was 74.3 MB in the beginning and 72.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.45 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 71.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 473.95 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 56.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4311.16 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 56.3 MB in the beginning and 51.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.15 ms. Allocated memory is still 140.5 MB. Free memory is still 51.5 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 unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * s1 and consists of 4 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 0.2s. 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: 12 SDtfs, 21 SDslu, 5 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital215 mio100 ax100 hnf99 lsp97 ukn87 mio100 lsp51 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...