./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC --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 32bit --witnessprinter.graph.data.programhash 5731971c09a136eb079f9cbecfc34cb6e82f7a1b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:29,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:29,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:29,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:29,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:29,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:29,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:29,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:29,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:29,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:29,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:29,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:29,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:29,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:29,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:29,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:29,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:29,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:29,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:29,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:29,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:29,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:29,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:29,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:29,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:29,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:29,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:29,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:29,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:29,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:29,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:29,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:29,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:29,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:29,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:29,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:29,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:29,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:29,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:29,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:29,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:29,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:20:29,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:29,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:29,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:29,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:29,958 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:29,958 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:20:29,958 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:20:29,958 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:20:29,959 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:20:29,959 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:20:29,960 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:20:29,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:29,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:29,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:20:29,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:29,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:29,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:29,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:20:29,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:20:29,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:20:29,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:29,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:29,962 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:20:29,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:29,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:20:29,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:29,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:29,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:29,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:29,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:29,967 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:20:29,967 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_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2021-10-11 00:20:30,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:30,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:30,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:30,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:30,321 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:30,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-10-11 00:20:30,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/data/604f825bc/d3bd2285466d4a7fb86bd84086a2f948/FLAGb5f0bf3fc [2021-10-11 00:20:31,034 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:31,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-10-11 00:20:31,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/data/604f825bc/d3bd2285466d4a7fb86bd84086a2f948/FLAGb5f0bf3fc [2021-10-11 00:20:31,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/data/604f825bc/d3bd2285466d4a7fb86bd84086a2f948 [2021-10-11 00:20:31,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:31,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:31,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:31,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:31,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:31,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5812a502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31, skipping insertion in model container [2021-10-11 00:20:31,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:31,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:31,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:31,786 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:31,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:31,916 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:31,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31 WrapperNode [2021-10-11 00:20:31,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:31,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:31,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:31,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:31,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:31,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:31,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:31,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:31,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... [2021-10-11 00:20:31,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:31,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:31,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:31,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:31,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:32,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:32,453 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 00:20:32,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:32 BoogieIcfgContainer [2021-10-11 00:20:32,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:32,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:20:32,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:20:32,459 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:20:32,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:32,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:20:31" (1/3) ... [2021-10-11 00:20:32,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a5ad6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:32, skipping insertion in model container [2021-10-11 00:20:32,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:32,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:31" (2/3) ... [2021-10-11 00:20:32,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a5ad6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:32, skipping insertion in model container [2021-10-11 00:20:32,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:32,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:32" (3/3) ... [2021-10-11 00:20:32,464 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2021-10-11 00:20:32,526 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:20:32,527 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:20:32,527 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:20:32,527 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:32,527 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:32,527 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:20:32,528 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:32,528 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:20:32,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2021-10-11 00:20:32,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-11 00:20:32,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:32,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:32,607 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-11 00:20:32,607 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:32,608 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:20:32,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2021-10-11 00:20:32,623 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-11 00:20:32,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:32,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:32,624 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-11 00:20:32,624 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:32,632 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L523true assume !(main_~length1~0 < 1); 11#L523-2true assume !(main_~length2~0 < 1); 4#L526-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 13#L534-3true [2021-10-11 00:20:32,633 INFO L796 eck$LassoCheckResult]: Loop: 13#L534-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 10#L534-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 13#L534-3true [2021-10-11 00:20:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:32,642 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-11 00:20:32,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:32,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542637492] [2021-10-11 00:20:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,773 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:32,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2021-10-11 00:20:32,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:32,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219994810] [2021-10-11 00:20:32,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,799 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:32,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2021-10-11 00:20:32,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:32,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454606260] [2021-10-11 00:20:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:32,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:32,852 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:33,114 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-10-11 00:20:33,246 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:33,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:33,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:33,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:33,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:20:33,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:33,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:33,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:33,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2021-10-11 00:20:33,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:33,248 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:33,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:33,822 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:33,826 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:33,846 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 [2021-10-11 00:20:33,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:33,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:33,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:33,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:33,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:33,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:33,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:33,909 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 [2021-10-11 00:20:33,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:33,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:33,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:33,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:33,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:33,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:33,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:33,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:33,958 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 [2021-10-11 00:20:33,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:33,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:33,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:33,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:33,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:33,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:33,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:33,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:34,022 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 [2021-10-11 00:20:34,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:34,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:34,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:34,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:34,079 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 [2021-10-11 00:20:34,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:34,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,126 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 [2021-10-11 00:20:34,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:34,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:34,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:34,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,162 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 [2021-10-11 00:20:34,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,211 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 [2021-10-11 00:20:34,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,273 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 [2021-10-11 00:20:34,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:34,337 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 [2021-10-11 00:20:34,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:34,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:34,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:34,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,374 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 [2021-10-11 00:20:34,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,411 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 [2021-10-11 00:20:34,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:34,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:34,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:34,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,436 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 [2021-10-11 00:20:34,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,500 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 [2021-10-11 00:20:34,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,557 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 [2021-10-11 00:20:34,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:34,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:34,634 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 [2021-10-11 00:20:34,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:34,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:34,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:34,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:34,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:34,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:34,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:34,744 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-11 00:20:34,744 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:34,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:20:34,834 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:20:34,835 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:34,835 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-10-11 00:20:34,929 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-11 00:20:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:35,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:35,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:35,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:20:35,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:35,083 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 [2021-10-11 00:20:35,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2021-10-11 00:20:35,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 7 states. [2021-10-11 00:20:35,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:20:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:20:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2021-10-11 00:20:35,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-11 00:20:35,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:35,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-11 00:20:35,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:35,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-11 00:20:35,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:35,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-11 00:20:35,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:20:35,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 12 states and 16 transitions. [2021-10-11 00:20:35,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-11 00:20:35,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-11 00:20:35,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-11 00:20:35,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:35,187 INFO L692 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-11 00:20:35,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-11 00:20:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-11 00:20:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 00:20:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-10-11 00:20:35,215 INFO L715 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-11 00:20:35,215 INFO L595 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-11 00:20:35,216 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:20:35,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-10-11 00:20:35,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:20:35,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:35,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:35,218 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:35,218 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:20:35,219 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 131#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 132#L523 assume !(main_~length1~0 < 1); 133#L523-2 assume !(main_~length2~0 < 1); 134#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 135#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 136#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 138#L517-4 [2021-10-11 00:20:35,219 INFO L796 eck$LassoCheckResult]: Loop: 138#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 129#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 130#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 138#L517-4 [2021-10-11 00:20:35,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2021-10-11 00:20:35,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751595273] [2021-10-11 00:20:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,278 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2021-10-11 00:20:35,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450468342] [2021-10-11 00:20:35,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,296 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2021-10-11 00:20:35,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22071954] [2021-10-11 00:20:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:35,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22071954] [2021-10-11 00:20:35,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:35,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:20:35,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978119105] [2021-10-11 00:20:35,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:35,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:20:35,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:20:35,632 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 7 states. [2021-10-11 00:20:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:35,744 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-10-11 00:20:35,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:20:35,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-10-11 00:20:35,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:20:35,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2021-10-11 00:20:35,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-11 00:20:35,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-11 00:20:35,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-10-11 00:20:35,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:35,756 INFO L692 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-11 00:20:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-10-11 00:20:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-11 00:20:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 00:20:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-10-11 00:20:35,759 INFO L715 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-11 00:20:35,759 INFO L595 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-11 00:20:35,759 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:20:35,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-10-11 00:20:35,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:20:35,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:35,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:35,762 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:35,762 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:20:35,762 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 177#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 178#L523 assume !(main_~length1~0 < 1); 179#L523-2 assume !(main_~length2~0 < 1); 180#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 181#L534-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 173#L534-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 174#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 182#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 184#L517-4 [2021-10-11 00:20:35,762 INFO L796 eck$LassoCheckResult]: Loop: 184#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 175#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 176#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 184#L517-4 [2021-10-11 00:20:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2021-10-11 00:20:35,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834264295] [2021-10-11 00:20:35,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,838 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:35,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,839 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2021-10-11 00:20:35,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492632172] [2021-10-11 00:20:35,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,858 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:35,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:35,860 INFO L82 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2021-10-11 00:20:35,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:35,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150670687] [2021-10-11 00:20:35,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:35,937 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:35,951 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:36,479 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2021-10-11 00:20:36,679 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-10-11 00:20:36,683 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:36,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:36,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:36,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:36,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:20:36,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:36,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:36,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:36,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2021-10-11 00:20:36,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:36,684 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:36,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:36,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,066 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-10-11 00:20:37,211 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-10-11 00:20:37,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:37,598 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-10-11 00:20:38,003 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:38,003 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,017 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 [2021-10-11 00:20:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:38,078 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 [2021-10-11 00:20:38,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:38,107 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 [2021-10-11 00:20:38,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,133 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 [2021-10-11 00:20:38,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,166 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 [2021-10-11 00:20:38,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,199 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 [2021-10-11 00:20:38,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,257 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 [2021-10-11 00:20:38,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,291 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 [2021-10-11 00:20:38,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,324 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 [2021-10-11 00:20:38,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,350 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 [2021-10-11 00:20:38,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,409 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 [2021-10-11 00:20:38,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:20:38,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:38,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:38,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,497 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 [2021-10-11 00:20:38,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,530 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 [2021-10-11 00:20:38,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,566 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 [2021-10-11 00:20:38,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,642 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 [2021-10-11 00:20:38,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:38,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,644 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:20:38,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:20:38,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,703 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 [2021-10-11 00:20:38,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,763 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 [2021-10-11 00:20:38,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,832 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 [2021-10-11 00:20:38,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:20:38,877 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:38,971 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2021-10-11 00:20:38,971 INFO L444 ModelExtractionUtils]: 11 out of 49 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c972ba-4860-4717-b819-b173e3c45275/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,996 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:20:38,996 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:38,996 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcpy_~from.base)_1, ULTIMATE.start_cstrcpy_~from.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcpy_~from.base)_1 - 1*ULTIMATE.start_cstrcpy_~from.offset Supporting invariants [] [2021-10-11 00:20:39,041 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-11 00:20:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:39,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:20:39,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:39,119 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 [2021-10-11 00:20:39,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2021-10-11 00:20:39,132 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 19 transitions. Complement of second has 4 states. [2021-10-11 00:20:39,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:20:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:20:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-10-11 00:20:39,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-11 00:20:39,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-11 00:20:39,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-11 00:20:39,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-11 00:20:39,139 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:39,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-11 00:20:39,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:20:39,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:20:39,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:20:39,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:39,139 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:39,139 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:39,140 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:39,140 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:20:39,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:39,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:39,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:20:39,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:39 BoogieIcfgContainer [2021-10-11 00:20:39,147 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:20:39,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:39,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:39,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:39,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:32" (3/4) ... [2021-10-11 00:20:39,154 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:20:39,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:39,155 INFO L168 Benchmark]: Toolchain (without parser) took 7821.25 ms. Allocated memory was 115.3 MB in the beginning and 172.0 MB in the end (delta: 56.6 MB). Free memory was 83.7 MB in the beginning and 59.0 MB in the end (delta: 24.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,161 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:39,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.16 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 80.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.29 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 78.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,164 INFO L168 Benchmark]: Boogie Preprocessor took 31.35 ms. Allocated memory is still 115.3 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,164 INFO L168 Benchmark]: RCFGBuilder took 462.39 ms. Allocated memory is still 115.3 MB. Free memory was 77.1 MB in the beginning and 61.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,170 INFO L168 Benchmark]: BuchiAutomizer took 6691.17 ms. Allocated memory was 115.3 MB in the beginning and 172.0 MB in the end (delta: 56.6 MB). Free memory was 61.1 MB in the beginning and 60.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,170 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 172.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:39,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.16 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 80.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.29 ms. Allocated memory is still 115.3 MB. Free memory was 80.0 MB in the beginning and 78.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.35 ms. Allocated memory is still 115.3 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 462.39 ms. Allocated memory is still 115.3 MB. Free memory was 77.1 MB in the beginning and 61.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6691.17 ms. Allocated memory was 115.3 MB in the beginning and 172.0 MB in the end (delta: 56.6 MB). Free memory was 61.1 MB in the beginning and 60.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.88 ms. Allocated memory is still 172.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[from] + -1 * from and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 38 SDtfs, 45 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital165 mio100 ax111 hnf100 lsp84 ukn80 mio100 lsp54 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 2 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...