./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa --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 e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:47:48,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:47:48,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:47:48,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:47:48,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:47:48,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:47:48,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:47:48,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:47:48,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:47:48,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:47:48,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:47:48,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:47:48,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:47:48,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:47:48,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:47:48,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:47:48,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:47:48,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:47:48,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:47:48,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:47:48,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:47:48,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:47:48,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:47:48,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:47:48,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:47:48,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:47:48,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:47:48,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:47:48,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:47:48,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:47:48,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:47:48,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:47:48,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:47:48,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:47:48,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:47:48,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:47:48,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:47:48,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:47:48,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:47:48,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:47:48,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:47:48,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-07 00:47:49,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:47:49,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:47:49,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:47:49,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:47:49,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:47:49,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:47:49,008 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:47:49,008 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:47:49,008 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:47:49,008 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:47:49,008 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:47:49,009 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:47:49,009 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:47:49,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:47:49,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:47:49,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:47:49,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:47:49,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:47:49,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:47:49,011 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:47:49,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:47:49,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:47:49,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:47:49,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:47:49,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:47:49,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:47:49,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:47:49,013 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:47:49,013 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_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2021-12-07 00:47:49,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:47:49,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:47:49,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:47:49,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:47:49,217 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:47:49,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2021-12-07 00:47:49,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/data/1a1b9be48/7bad526ab29f4052a04b86f45b0752d5/FLAG7225d8e5a [2021-12-07 00:47:49,624 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:47:49,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2021-12-07 00:47:49,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/data/1a1b9be48/7bad526ab29f4052a04b86f45b0752d5/FLAG7225d8e5a [2021-12-07 00:47:49,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/data/1a1b9be48/7bad526ab29f4052a04b86f45b0752d5 [2021-12-07 00:47:49,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:47:49,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:47:49,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:47:49,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:47:49,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:47:49,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b8917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49, skipping insertion in model container [2021-12-07 00:47:49,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:47:49,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:47:49,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:47:49,757 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:47:49,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:47:49,776 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:47:49,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49 WrapperNode [2021-12-07 00:47:49,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:47:49,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:47:49,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:47:49,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:47:49,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,798 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2021-12-07 00:47:49,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:47:49,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:47:49,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:47:49,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:47:49,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:47:49,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:47:49,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:47:49,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:47:49,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (1/1) ... [2021-12-07 00:47:49,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:49,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:49,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:49,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:47:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:47:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:47:49,910 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:47:49,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:47:49,991 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:47:49,996 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:47:49,997 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:47:49,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:49 BoogieIcfgContainer [2021-12-07 00:47:49,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:47:49,999 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:47:49,999 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:47:50,002 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:47:50,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:47:50,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:47:49" (1/3) ... [2021-12-07 00:47:50,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ab9caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:47:50, skipping insertion in model container [2021-12-07 00:47:50,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:47:50,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:49" (2/3) ... [2021-12-07 00:47:50,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37ab9caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:47:50, skipping insertion in model container [2021-12-07 00:47:50,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:47:50,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:49" (3/3) ... [2021-12-07 00:47:50,005 INFO L388 chiAutomizerObserver]: Analyzing ICFG prodbin-both-t.c [2021-12-07 00:47:50,039 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:47:50,039 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:47:50,039 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:47:50,039 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:47:50,039 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:47:50,039 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:47:50,039 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:47:50,039 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:47:50,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:50,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:50,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:47:50,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:47:50,078 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:47:50,079 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:47:50,079 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:47:50,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:50,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:50,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:47:50,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:47:50,081 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:47:50,081 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:47:50,091 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L28true assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 12#L36-2true [2021-12-07 00:47:50,091 INFO L793 eck$LassoCheckResult]: Loop: 12#L36-2true assume !false; 7#L38true assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 4#L41true assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 11#L41-2true main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 12#L36-2true [2021-12-07 00:47:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-07 00:47:50,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:50,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330064533] [2021-12-07 00:47:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:50,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,170 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:50,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:50,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1421130, now seen corresponding path program 1 times [2021-12-07 00:47:50,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:50,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209425573] [2021-12-07 00:47:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:50,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:50,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:50,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737723974] [2021-12-07 00:47:50,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:50,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:50,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:47:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:50,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030893, now seen corresponding path program 1 times [2021-12-07 00:47:50,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:50,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827492190] [2021-12-07 00:47:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:50,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:50,238 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:50,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902513829] [2021-12-07 00:47:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:50,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:47:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,266 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:50,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:50,443 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:50,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:50,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:50,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:50,444 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:47:50,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:50,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:50,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration1_Loop [2021-12-07 00:47:50,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:50,445 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:50,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:50,613 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:50,613 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:47:50,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:47:50,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:50,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:50,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:50,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:47:50,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:47:50,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:50,718 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:47:50,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:47:50,741 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:50,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:50,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:50,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:50,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:47:50,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:50,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:50,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration1_Loop [2021-12-07 00:47:50,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:50,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:50,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:50,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:50,882 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:47:50,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:47:50,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:50,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:50,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:50,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:50,895 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-07 00:47:50,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:50,903 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:50,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:50,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:47:50,918 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 00:47:50,918 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 00:47:50,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:50,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:50,921 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:50,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:47:50,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:47:50,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 00:47:50,930 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:47:50,930 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 4*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-07 00:47:50,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:50,957 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 00:47:50,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:50,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:50,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:50,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:47:50,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:51,044 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 [2021-12-07 00:47:51,045 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,077 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 6 states. [2021-12-07 00:47:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:47:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-12-07 00:47:51,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-07 00:47:51,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,084 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 00:47:51,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:51,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:51,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:47:51,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:51,134 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 00:47:51,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,158 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 44 transitions. Complement of second has 8 states. [2021-12-07 00:47:51,159 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 [2021-12-07 00:47:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-12-07 00:47:51,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-07 00:47:51,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-07 00:47:51,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 8 letters. [2021-12-07 00:47:51,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-12-07 00:47:51,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:51,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 15 states and 18 transitions. [2021-12-07 00:47:51,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-07 00:47:51,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-07 00:47:51,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-12-07 00:47:51,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:47:51,168 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-07 00:47:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-12-07 00:47:51,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-07 00:47:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-12-07 00:47:51,186 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-07 00:47:51,186 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-07 00:47:51,186 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:47:51,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-12-07 00:47:51,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:51,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:47:51,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:47:51,187 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:47:51,187 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:47:51,187 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 166#L36-2 assume !false; 172#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 159#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 160#L41-2 [2021-12-07 00:47:51,187 INFO L793 eck$LassoCheckResult]: Loop: 160#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 170#L36-2 assume !false; 167#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 168#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 160#L41-2 [2021-12-07 00:47:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,188 INFO L85 PathProgramCache]: Analyzing trace with hash 889575313, now seen corresponding path program 1 times [2021-12-07 00:47:51,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355706989] [2021-12-07 00:47:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,192 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487172014] [2021-12-07 00:47:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,193 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 00:47:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,209 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 2 times [2021-12-07 00:47:51,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766342302] [2021-12-07 00:47:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,223 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832351263] [2021-12-07 00:47:51,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:47:51,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,224 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 00:47:51,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 00:47:51,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:51,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 139108392, now seen corresponding path program 1 times [2021-12-07 00:47:51,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990192191] [2021-12-07 00:47:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,252 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382659926] [2021-12-07 00:47:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,254 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 00:47:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,278 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:51,349 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:51,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:51,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:51,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:51,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:47:51,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:51,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:51,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration2_Loop [2021-12-07 00:47:51,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:51,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:51,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:51,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:51,463 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:47:51,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,465 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:47:51,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:51,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:51,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:47:51,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,500 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:47:51,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:47:51,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:51,526 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:47:51,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:47:51,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 00:47:51,557 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:51,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:51,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:51,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:51,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:47:51,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:51,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:51,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration2_Loop [2021-12-07 00:47:51,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:51,558 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:51,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:51,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:51,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:47:51,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,662 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:47:51,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:51,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:51,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:51,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:51,671 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-07 00:47:51,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:51,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:51,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:51,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:47:51,684 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 00:47:51,685 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 00:47:51,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:51,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,686 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:47:51,693 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:47:51,694 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 00:47:51,694 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:47:51,694 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-07 00:47:51,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 00:47:51,716 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 00:47:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:51,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:51,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:51,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 00:47:51,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:51,858 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 [2021-12-07 00:47:51,858 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 5 states. [2021-12-07 00:47:51,878 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 [2021-12-07 00:47:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-07 00:47:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-07 00:47:51,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-07 00:47:51,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-07 00:47:51,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:51,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-12-07 00:47:51,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:51,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 28 transitions. [2021-12-07 00:47:51,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-07 00:47:51,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-07 00:47:51,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-07 00:47:51,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:47:51,882 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-07 00:47:51,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-07 00:47:51,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-12-07 00:47:51,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-07 00:47:51,883 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-07 00:47:51,884 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-07 00:47:51,884 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:47:51,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-07 00:47:51,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:47:51,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:47:51,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:47:51,885 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-12-07 00:47:51,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:47:51,885 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 254#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 255#L36-2 assume !false; 265#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 264#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 263#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 261#L36-2 assume !false; 256#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 248#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 249#L41-2 [2021-12-07 00:47:51,885 INFO L793 eck$LassoCheckResult]: Loop: 249#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 258#L36-2 assume !false; 269#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 268#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 249#L41-2 [2021-12-07 00:47:51,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,885 INFO L85 PathProgramCache]: Analyzing trace with hash 139108394, now seen corresponding path program 1 times [2021-12-07 00:47:51,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179309482] [2021-12-07 00:47:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,888 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144682717] [2021-12-07 00:47:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-07 00:47:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:51,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 3 times [2021-12-07 00:47:51,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970106461] [2021-12-07 00:47:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,926 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174172162] [2021-12-07 00:47:51,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:47:51,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,927 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-07 00:47:51,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-07 00:47:51,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:51,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:51,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:51,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1537772479, now seen corresponding path program 2 times [2021-12-07 00:47:51,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:51,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272265589] [2021-12-07 00:47:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:51,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:51,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:51,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693795057] [2021-12-07 00:47:51,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:47:51,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:51,960 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:51,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-07 00:47:51,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:47:51,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:51,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:51,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:52,056 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:52,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:52,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:52,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:52,057 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:47:52,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:52,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:52,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration3_Loop [2021-12-07 00:47:52,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:52,057 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:52,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:52,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:52,154 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:47:52,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 00:47:52,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:52,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:52,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 00:47:52,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 00:47:52,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,191 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:47:52,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:47:52,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:52,209 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:47:52,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:47:52,241 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:52,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:52,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:52,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:52,242 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:47:52,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:52,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:52,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration3_Loop [2021-12-07 00:47:52,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:52,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:52,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:52,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:52,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:47:52,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,424 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:47:52,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:52,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:52,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:52,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:52,434 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-07 00:47:52,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:52,437 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:52,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:52,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:47:52,446 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 00:47:52,446 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 00:47:52,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,447 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 00:47:52,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:47:52,448 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 00:47:52,448 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:47:52,448 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-07 00:47:52,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 00:47:52,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 00:47:52,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:52,571 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 [2021-12-07 00:47:52,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-12-07 00:47:52,588 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 [2021-12-07 00:47:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-07 00:47:52,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-07 00:47:52,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:52,589 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 00:47:52,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:52,680 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 00:47:52,680 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-12-07 00:47:52,697 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 [2021-12-07 00:47:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-07 00:47:52,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-07 00:47:52,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:52,698 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 00:47:52,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:47:52,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 00:47:52,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:47:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:47:52,815 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 00:47:52,815 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 6 states. [2021-12-07 00:47:52,835 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 [2021-12-07 00:47:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-12-07 00:47:52,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-07 00:47:52,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:52,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-07 00:47:52,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:52,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2021-12-07 00:47:52,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:47:52,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2021-12-07 00:47:52,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:47:52,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 32 transitions. [2021-12-07 00:47:52,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-07 00:47:52,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-07 00:47:52,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-12-07 00:47:52,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:47:52,846 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-07 00:47:52,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-12-07 00:47:52,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-12-07 00:47:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:47:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-12-07 00:47:52,849 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-07 00:47:52,849 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-07 00:47:52,849 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:47:52,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-12-07 00:47:52,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:47:52,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:47:52,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:47:52,850 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-07 00:47:52,850 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:47:52,850 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 [2021-12-07 00:47:52,850 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-07 00:47:52,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-12-07 00:47:52,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:52,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044897074] [2021-12-07 00:47:52,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:52,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:52,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:52,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:52,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 1 times [2021-12-07 00:47:52,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:52,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414168409] [2021-12-07 00:47:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:52,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:52,861 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:52,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389518491] [2021-12-07 00:47:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:52,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:52,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,864 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-07 00:47:52,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-07 00:47:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:52,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:52,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:52,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:52,889 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 2 times [2021-12-07 00:47:52,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:52,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691580981] [2021-12-07 00:47:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:52,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:52,892 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:52,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804758575] [2021-12-07 00:47:52,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:47:52,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:52,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:52,894 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-07 00:47:52,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:47:52,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:52,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:52,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:52,971 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:52,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:52,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:52,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:52,972 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:47:52,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:52,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:52,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:52,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-07 00:47:52,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:52,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:52,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:52,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:53,173 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:47:53,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,174 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 00:47:53,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:53,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:53,182 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:47:53,182 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:47:53,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,201 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 00:47:53,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:53,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:53,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,232 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 00:47:53,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:47:53,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:53,251 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:47:53,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,269 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:53,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:53,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:53,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:53,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:47:53,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,270 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:53,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:53,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-07 00:47:53,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:53,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:53,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:53,469 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:53,470 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:47:53,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,471 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 00:47:53,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:53,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:53,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:53,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:53,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:53,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,499 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 00:47:53,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:53,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:53,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:53,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:53,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:53,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,537 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 00:47:53,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,545 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:53,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:53,581 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-07 00:47:53,581 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-07 00:47:53,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-07 00:47:53,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,688 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 00:47:53,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:53,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:53,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:53,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:53,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:53,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:53,716 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:47:53,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,717 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 00:47:53,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:53,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:53,725 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:53,726 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:53,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:53,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 00:47:53,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,746 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 00:47:53,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:53,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:53,755 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:53,755 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:53,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:53,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:53,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 00:47:53,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:53,776 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:53,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 00:47:53,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:53,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:53,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:53,785 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:53,785 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:53,821 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-07 00:47:53,821 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-07 00:47:53,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 00:47:54,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,012 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 00:47:54,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,020 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:54,021 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:54,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:54,040 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 00:47:54,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,040 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 00:47:54,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,049 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:54,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:54,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 00:47:54,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,070 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 00:47:54,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,078 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:54,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:54,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 00:47:54,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,098 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 00:47:54,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,107 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:54,107 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:54,158 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:47:54,158 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:47:54,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 00:47:54,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,386 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 00:47:54,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,395 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:54,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:54,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:54,414 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 00:47:54,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,415 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 00:47:54,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,423 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:54,423 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:54,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-07 00:47:54,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,443 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 00:47:54,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,454 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:54,454 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:54,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:54,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,474 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 00:47:54,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,483 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:54,483 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:54,539 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-07 00:47:54,539 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-07 00:47:54,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-07 00:47:54,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,940 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 00:47:54,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:54,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,948 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:54,948 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:54,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-07 00:47:54,967 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 00:47:54,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,968 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 00:47:54,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:54,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:54,977 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:54,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:54,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:54,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:54,977 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:54,977 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:54,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:54,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:54,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-07 00:47:54,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:54,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:54,997 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:54,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 00:47:54,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,007 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:55,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,007 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:55,007 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:55,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 00:47:55,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,028 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 00:47:55,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,038 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:55,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,039 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:55,039 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:55,071 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-07 00:47:55,071 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-07 00:47:55,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-07 00:47:55,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,329 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 00:47:55,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,338 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:55,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,338 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:47:55,338 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:47:55,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:55,359 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 00:47:55,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,360 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-07 00:47:55,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,368 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:47:55,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,369 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:55,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:55,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:55,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,391 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-07 00:47:55,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,399 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:47:55,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:55,399 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:55,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-07 00:47:55,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,420 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-07 00:47:55,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,429 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:47:55,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,429 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:55,429 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:55,488 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:47:55,488 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:47:55,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-07 00:47:55,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,778 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 00:47:55,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,787 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,787 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:47:55,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,787 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:55,788 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:55,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-07 00:47:55,808 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 00:47:55,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,808 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 00:47:55,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:55,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,820 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:55,820 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:55,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:55,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,842 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 00:47:55,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,851 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,851 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:55,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:55,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:55,852 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:55,852 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:55,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:55,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:55,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-07 00:47:55,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:55,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:55,874 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:55,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 00:47:55,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:55,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:55,884 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:55,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:55,884 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:55,884 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:55,944 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-07 00:47:55,944 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-07 00:47:57,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-07 00:47:57,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,522 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-07 00:47:57,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,531 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:57,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,531 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:47:57,531 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:47:57,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-07 00:47:57,552 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 00:47:57,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,553 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-07 00:47:57,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,562 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,562 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:57,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,562 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:57,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:57,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:57,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,583 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-07 00:47:57,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,591 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,591 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:57,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,592 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:57,592 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:57,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-07 00:47:57,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,612 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-07 00:47:57,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,622 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,622 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:57,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,623 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:57,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:57,660 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:47:57,661 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:47:57,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-07 00:47:57,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,888 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-07 00:47:57,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,897 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,897 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:47:57,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,897 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:47:57,897 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:47:57,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-07 00:47:57,917 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 00:47:57,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,917 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-07 00:47:57,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,927 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:57,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,927 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:47:57,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:47:57,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:57,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,948 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-07 00:47:57,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,956 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:57,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:57,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:57,957 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:47:57,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:47:57,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:57,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:57,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-07 00:47:57,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:57,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:57,978 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:57,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-07 00:47:57,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:57,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:57,987 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:57,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:57,988 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:57,988 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:47:58,054 INFO L401 nArgumentSynthesizer]: We have 144 Motzkin's Theorem applications. [2021-12-07 00:47:58,054 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-12-07 00:47:59,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:59,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:59,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,057 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-07 00:47:59,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:59,065 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:47:59,065 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:47:59,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:59,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:59,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:59,066 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:47:59,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:47:59,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:59,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:59,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-07 00:47:59,086 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-07 00:47:59,086 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-07 00:47:59,086 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-07 00:47:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:59,087 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 3 times [2021-12-07 00:47:59,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:59,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596776674] [2021-12-07 00:47:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:59,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:59,089 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394906825] [2021-12-07 00:47:59,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:47:59,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,090 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-12-07 00:47:59,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 00:47:59,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:59,111 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:59,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 2 times [2021-12-07 00:47:59,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:59,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881001723] [2021-12-07 00:47:59,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:59,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:59,116 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:59,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563968337] [2021-12-07 00:47:59,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:47:59,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,118 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-12-07 00:47:59,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 00:47:59,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:59,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:59,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:59,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:47:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash 539181342, now seen corresponding path program 4 times [2021-12-07 00:47:59,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:47:59,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766899819] [2021-12-07 00:47:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:47:59,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:47:59,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:47:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440201437] [2021-12-07 00:47:59,139 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 00:47:59,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:47:59,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,143 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-12-07 00:47:59,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 00:47:59,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:47:59,166 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:47:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:47:59,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:47:59,246 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:59,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:59,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:59,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:59,246 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:47:59,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:59,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:59,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-07 00:47:59,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:59,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:59,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,507 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:59,507 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:47:59,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,508 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-07 00:47:59,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:59,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:59,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:47:59,516 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:47:59,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-07 00:47:59,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,535 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-07 00:47:59,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:59,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:59,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:47:59,543 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:47:59,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-07 00:47:59,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,562 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-07 00:47:59,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:59,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:59,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:47:59,571 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:47:59,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:59,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,590 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-07 00:47:59,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:47:59,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:59,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:59,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,625 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-07 00:47:59,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:47:59,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:47:59,645 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:47:59,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-07 00:47:59,663 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:47:59,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:47:59,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:47:59,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:47:59,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:47:59,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:47:59,664 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:47:59,664 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-07 00:47:59,664 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:47:59,664 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:47:59,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:47:59,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:47:59,902 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:47:59,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,903 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-07 00:47:59,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:59,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:59,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:59,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:59,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:59,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:59,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:59,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:59,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:59,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-07 00:47:59,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,931 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-07 00:47:59,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:59,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:59,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:59,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:59,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:59,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:59,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:59,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:59,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:59,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-07 00:47:59,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,959 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-07 00:47:59,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:59,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:59,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:47:59,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:59,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:47:59,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:47:59,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:47:59,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:47:59,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:47:59,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-07 00:47:59,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:47:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:47:59,987 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:47:59,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-07 00:47:59,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:47:59,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:47:59,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:47:59,995 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:47:59,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:48:00,015 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-07 00:48:00,015 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-07 00:48:00,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-07 00:48:00,124 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:48:00,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,125 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-07 00:48:00,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,134 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:00,134 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:00,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-07 00:48:00,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,154 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-07 00:48:00,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,162 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:00,163 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:00,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:00,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,183 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-07 00:48:00,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,191 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:00,191 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:00,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-07 00:48:00,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,211 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-07 00:48:00,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,219 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:00,219 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:00,250 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-07 00:48:00,250 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-07 00:48:00,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-07 00:48:00,449 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 00:48:00,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,450 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-07 00:48:00,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:00,460 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:00,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:00,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,479 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-07 00:48:00,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:00,488 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:00,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-07 00:48:00,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,507 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-07 00:48:00,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,516 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:00,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:00,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-07 00:48:00,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,535 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-07 00:48:00,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,544 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:00,544 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:00,583 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:48:00,583 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:48:00,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:00,889 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 00:48:00,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,890 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-07 00:48:00,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,899 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:00,900 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:00,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-07 00:48:00,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,920 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-07 00:48:00,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,930 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:00,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:00,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-07 00:48:00,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,950 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-07 00:48:00,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:00,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:00,959 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:00,959 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:00,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:00,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:00,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-07 00:48:00,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:00,978 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:00,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-07 00:48:00,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:48:00,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:00,987 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:00,987 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:01,035 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-07 00:48:01,035 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-07 00:48:01,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-07 00:48:01,270 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 00:48:01,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,271 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-07 00:48:01,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,279 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:01,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,280 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:01,280 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:01,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-07 00:48:01,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,300 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-07 00:48:01,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,309 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:01,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,309 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:01,310 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:01,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:01,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,329 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-07 00:48:01,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,338 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:01,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,339 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:01,339 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:48:01,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-07 00:48:01,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,359 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-07 00:48:01,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:01,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,367 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:01,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:48:01,399 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-07 00:48:01,399 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-07 00:48:01,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-07 00:48:01,728 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 00:48:01,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,728 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-07 00:48:01,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,737 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:48:01,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,737 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:01,737 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:01,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-07 00:48:01,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,758 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-07 00:48:01,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,768 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:48:01,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,768 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:01,768 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:01,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-07 00:48:01,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,789 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-07 00:48:01,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,799 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:48:01,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:01,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:01,800 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:01,801 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:01,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:01,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:01,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-07 00:48:01,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:01,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:01,822 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:01,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-07 00:48:01,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:01,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:01,831 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:48:01,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:01,831 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:01,831 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:01,887 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:48:01,887 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:48:02,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:02,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-07 00:48:02,155 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 00:48:02,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:02,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:02,156 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:02,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-07 00:48:02,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:02,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:02,164 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:02,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:02,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:02,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:02,164 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:02,165 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:02,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:02,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:02,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-07 00:48:02,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:02,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:02,186 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:02,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-07 00:48:02,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:02,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:02,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:02,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:02,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:02,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:02,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:02,195 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:02,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:02,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:02,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-07 00:48:02,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:02,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:02,217 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:02,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-07 00:48:02,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:02,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:02,227 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:02,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:02,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:02,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:02,227 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:02,228 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:48:02,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:02,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:02,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-07 00:48:02,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:02,251 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:02,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-07 00:48:02,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:02,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:02,260 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:02,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:02,260 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:02,260 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:48:02,319 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-07 00:48:02,319 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-07 00:48:04,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:04,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-07 00:48:04,645 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 00:48:04,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:04,646 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:04,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-07 00:48:04,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:04,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:04,654 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:04,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:04,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:04,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:04,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:04,655 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:04,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:04,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:04,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:04,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:04,674 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:04,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-07 00:48:04,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:04,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:04,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:04,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:04,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:04,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:04,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:04,683 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:04,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:04,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:04,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-07 00:48:04,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:04,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:04,703 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:04,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-07 00:48:04,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:04,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:04,712 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:04,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:04,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:04,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:04,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:04,712 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:48:04,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:04,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:04,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:04,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:04,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:04,732 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:04,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-07 00:48:04,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:04,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:04,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:48:04,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:04,740 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:04,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:48:04,781 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-07 00:48:04,781 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-07 00:48:05,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:05,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-07 00:48:05,041 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 00:48:05,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:05,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:05,042 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:05,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-07 00:48:05,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:05,050 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:05,050 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:05,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:05,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:05,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:05,050 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:48:05,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:48:05,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:05,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:05,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-07 00:48:05,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:05,071 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:05,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-07 00:48:05,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:05,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:05,081 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:05,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:05,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:05,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:05,081 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:48:05,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:48:05,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:05,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:05,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-07 00:48:05,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:05,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:05,103 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-07 00:48:05,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:05,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:05,111 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:05,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:48:05,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:05,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:48:05,111 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:48:05,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:48:05,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:48:05,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:05,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-07 00:48:05,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:48:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:48:05,132 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:48:05,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-07 00:48:05,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:48:05,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:48:05,150 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:48:05,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:48:05,150 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-07 00:48:05,150 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:48:05,213 INFO L401 nArgumentSynthesizer]: We have 144 Motzkin's Theorem applications. [2021-12-07 00:48:05,214 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-12-07 00:48:05,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:48:05,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-07 00:48:05,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:48:05 BoogieIcfgContainer [2021-12-07 00:48:05,632 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:48:05,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:48:05,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:48:05,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:48:05,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:49" (3/4) ... [2021-12-07 00:48:05,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:48:05,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:48:05,635 INFO L158 Benchmark]: Toolchain (without parser) took 15994.57ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 80.0MB in the beginning and 58.6MB in the end (delta: 21.4MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2021-12-07 00:48:05,635 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:48:05,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.02ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 71.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:48:05,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.46ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:48:05,636 INFO L158 Benchmark]: Boogie Preprocessor took 12.84ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 929.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:48:05,636 INFO L158 Benchmark]: RCFGBuilder took 185.75ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 94.2MB in the end (delta: -25.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-12-07 00:48:05,636 INFO L158 Benchmark]: BuchiAutomizer took 15633.21ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 94.2MB in the beginning and 59.6MB in the end (delta: 34.6MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2021-12-07 00:48:05,637 INFO L158 Benchmark]: Witness Printer took 2.22ms. Allocated memory is still 172.0MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:48:05,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.02ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 71.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.46ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.84ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 929.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.75ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 94.2MB in the end (delta: -25.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 15633.21ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 94.2MB in the beginning and 59.6MB in the end (delta: 34.6MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * Witness Printer took 2.22ms. Allocated memory is still 172.0MB. Free memory was 59.6MB in the beginning and 58.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function 4 * y + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. The remainder module has 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 14.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 2. Nontrivial modules had stage [1, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 56 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf98 lsp103 ukn96 mio100 lsp100 div281 bol100 ite100 ukn100 eq143 hnf58 smp92 dnf269 smp83 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 475ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 24 MotzkinApplications: 144 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0;" "assume !false;" "assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" Loop: "assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-12-07 00:48:05,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2021-12-07 00:48:05,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2021-12-07 00:48:06,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-12-07 00:48:06,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-12-07 00:48:06,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-12-07 00:48:06,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-07 00:48:06,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-07 00:48:07,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-07 00:48:07,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:07,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-07 00:48:07,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-07 00:48:07,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 00:48:08,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-07 00:48:08,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c2e76c-be60-4b63-bfbe-15caaba40989/bin/uautomizer-DrprNOufMa/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN