./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/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_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/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 64bit --witnessprinter.graph.data.programhash c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:08:44,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:08:44,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:08:44,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:08:44,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:08:44,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:08:44,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:08:44,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:08:44,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:08:44,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:08:44,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:08:44,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:08:44,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:08:44,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:08:44,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:08:44,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:08:44,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:08:44,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:08:44,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:08:44,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:08:44,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:08:44,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:08:44,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:08:44,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:08:44,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:08:44,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:08:44,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:08:44,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:08:44,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:08:44,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:08:44,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:08:44,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:08:44,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:08:44,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:08:44,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:08:44,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:08:44,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:08:44,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:08:44,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:08:44,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:08:44,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:08:44,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 22:08:44,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:08:44,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:08:44,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:08:44,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:08:44,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:08:44,993 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:08:44,993 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:08:44,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:08:44,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:08:44,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:08:44,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:08:44,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:08:44,996 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:08:44,996 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_18e8b5f6-f402-41b5-894e-2c81bed04b79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 [2021-12-06 22:08:45,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:08:45,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:08:45,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:08:45,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:08:45,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:08:45,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-12-06 22:08:45,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/data/fac63f3d8/c5b3f690839247a0b8a19ee43b05db38/FLAG791593811 [2021-12-06 22:08:45,606 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:08:45,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-12-06 22:08:45,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/data/fac63f3d8/c5b3f690839247a0b8a19ee43b05db38/FLAG791593811 [2021-12-06 22:08:46,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/data/fac63f3d8/c5b3f690839247a0b8a19ee43b05db38 [2021-12-06 22:08:46,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:08:46,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:08:46,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:46,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:08:46,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:08:46,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76496b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46, skipping insertion in model container [2021-12-06 22:08:46,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:08:46,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:08:46,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:46,134 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:08:46,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:46,155 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:08:46,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46 WrapperNode [2021-12-06 22:08:46,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:46,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:46,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:08:46,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:08:46,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,175 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-12-06 22:08:46,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:46,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:08:46,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:08:46,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:08:46,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:08:46,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:08:46,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:08:46,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:08:46,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (1/1) ... [2021-12-06 22:08:46,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:08:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:08:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:08:46,279 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:08:46,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:08:46,327 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:08:46,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:08:46,334 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:08:46,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:46 BoogieIcfgContainer [2021-12-06 22:08:46,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:08:46,337 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:08:46,337 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:08:46,340 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:08:46,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:46,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:08:46" (1/3) ... [2021-12-06 22:08:46,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e8b8e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:08:46, skipping insertion in model container [2021-12-06 22:08:46,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:46,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:46" (2/3) ... [2021-12-06 22:08:46,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e8b8e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:08:46, skipping insertion in model container [2021-12-06 22:08:46,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:46,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:46" (3/3) ... [2021-12-06 22:08:46,344 INFO L388 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-12-06 22:08:46,389 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:08:46,389 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:08:46,389 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:08:46,390 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:08:46,390 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:08:46,390 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:08:46,390 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:08:46,390 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:08:46,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-12-06 22:08:46,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 22:08:46,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:46,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:46,420 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:08:46,420 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 22:08:46,420 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:08:46,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-12-06 22:08:46,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 22:08:46,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:46,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:46,421 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:08:46,421 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 22:08:46,427 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2; 7#L14-2true [2021-12-06 22:08:46,427 INFO L793 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 7#L14-2true [2021-12-06 22:08:46,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:46,432 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 22:08:46,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:46,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415641956] [2021-12-06 22:08:46,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:46,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,506 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:46,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-12-06 22:08:46,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:46,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219271036] [2021-12-06 22:08:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:46,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,544 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:46,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:46,554 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-06 22:08:46,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:46,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078924059] [2021-12-06 22:08:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:46,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,565 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:46,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:46,697 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:46,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:46,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:46,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:46,698 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:08:46,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:46,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:46,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-12-06 22:08:46,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:46,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:46,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:46,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:46,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:46,996 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:46,996 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:08:46,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 22:08:47,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:08:47,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:08:47,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:47,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 22:08:47,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:08:47,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:08:47,113 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:08:47,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 22:08:47,116 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:47,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:47,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:47,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:47,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:47,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:47,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:47,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-12-06 22:08:47,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:47,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:47,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:47,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:47,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:47,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:47,324 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:47,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:08:47,328 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 [2021-12-06 22:08:47,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:47,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:47,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 22:08:47,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,358 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 22:08:47,359 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 [2021-12-06 22:08:47,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:47,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:47,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 22:08:47,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,388 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 22:08:47,389 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 [2021-12-06 22:08:47,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,396 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:47,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:47,423 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-12-06 22:08:47,423 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:08:47,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 22:08:47,476 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:08:47,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,477 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 22:08:47,479 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 [2021-12-06 22:08:47,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:47,487 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:47,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 22:08:47,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 22:08:47,508 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 [2021-12-06 22:08:47,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,516 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:47,516 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:47,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 22:08:47,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 22:08:47,538 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 [2021-12-06 22:08:47,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,545 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:47,545 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:47,568 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-12-06 22:08:47,568 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-12-06 22:08:47,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 22:08:47,638 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:08:47,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 22:08:47,640 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 [2021-12-06 22:08:47,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,647 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:47,648 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:47,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 22:08:47,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 22:08:47,673 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 [2021-12-06 22:08:47,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,681 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:47,681 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:47,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 22:08:47,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 22:08:47,703 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 [2021-12-06 22:08:47,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,710 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:47,710 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:47,740 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:47,740 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:47,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 22:08:47,842 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:08:47,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,843 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 22:08:47,845 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 [2021-12-06 22:08:47,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,853 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:47,854 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:47,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 22:08:47,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,877 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 22:08:47,878 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 [2021-12-06 22:08:47,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:47,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:47,886 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:47,886 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:47,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:47,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:47,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 22:08:47,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:47,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,908 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 22:08:47,909 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 [2021-12-06 22:08:47,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:47,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:47,917 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:47,917 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:47,944 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-12-06 22:08:47,944 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-12-06 22:08:48,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 22:08:48,037 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:08:48,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,038 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 22:08:48,040 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 [2021-12-06 22:08:48,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,047 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,047 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:48,048 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:48,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 22:08:48,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,069 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 22:08:48,070 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 [2021-12-06 22:08:48,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,078 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,078 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:48,078 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:48,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,099 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 22:08:48,100 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 [2021-12-06 22:08:48,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,110 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,110 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:48,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:48,130 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-12-06 22:08:48,130 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-12-06 22:08:48,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 22:08:48,212 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:08:48,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,213 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 22:08:48,215 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 [2021-12-06 22:08:48,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,223 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:48,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:48,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,246 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 22:08:48,247 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 [2021-12-06 22:08:48,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,256 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:48,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,257 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:48,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 22:08:48,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,278 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 22:08:48,279 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 [2021-12-06 22:08:48,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:48,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,287 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:48,287 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,316 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:48,316 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:48,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 22:08:48,408 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:08:48,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,409 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 22:08:48,410 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 [2021-12-06 22:08:48,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,418 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:48,419 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:48,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,452 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 22:08:48,453 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 [2021-12-06 22:08:48,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,460 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,460 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:48,461 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:48,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,483 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 22:08:48,484 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 [2021-12-06 22:08:48,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,492 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,492 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:48,492 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:48,521 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-12-06 22:08:48,522 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-12-06 22:08:48,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 22:08:48,679 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:08:48,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,680 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 22:08:48,681 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 [2021-12-06 22:08:48,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,690 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,691 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:48,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 22:08:48,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,712 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 22:08:48,714 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 [2021-12-06 22:08:48,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,721 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,722 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:48,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 22:08:48,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,743 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 22:08:48,744 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 [2021-12-06 22:08:48,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,752 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:48,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,752 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:48,752 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:48,771 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:48,771 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:48,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,852 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:08:48,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,853 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 22:08:48,854 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 [2021-12-06 22:08:48,861 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,861 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,861 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:48,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:48,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:48,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,884 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 22:08:48,885 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 [2021-12-06 22:08:48,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,892 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:48,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:48,893 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:48,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:48,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:48,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:48,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 22:08:48,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:48,915 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:48,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 22:08:48,916 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 [2021-12-06 22:08:48,923 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:48,923 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:48,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:48,923 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:48,923 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:48,952 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-12-06 22:08:48,952 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-12-06 22:08:49,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 22:08:49,123 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-06 22:08:49,123 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2; 7#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 7#L14-2true [2021-12-06 22:08:49,123 INFO L793 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 7#L14-2true [2021-12-06 22:08:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2021-12-06 22:08:49,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789248757] [2021-12-06 22:08:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,129 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,134 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 2 times [2021-12-06 22:08:49,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945098226] [2021-12-06 22:08:49,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash 925795, now seen corresponding path program 3 times [2021-12-06 22:08:49,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778743076] [2021-12-06 22:08:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,220 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:49,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:49,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:49,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:49,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:08:49,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:49,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:49,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-12-06 22:08:49,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:49,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:49,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:49,399 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:08:49,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,400 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 22:08:49,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:08:49,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:08:49,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 22:08:49,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,430 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 22:08:49,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:08:49,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:08:49,487 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:08:49,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:49,490 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:49,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:49,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:49,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:49,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:49,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:49,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:49,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-12-06 22:08:49,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:49,491 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:49,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:49,641 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:49,641 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:49,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,642 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 22:08:49,642 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 [2021-12-06 22:08:49,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,650 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:49,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:49,659 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-12-06 22:08:49,659 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:08:49,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 22:08:49,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,711 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 22:08:49,712 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 [2021-12-06 22:08:49,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:49,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:49,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:49,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:49,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:49,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 22:08:49,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,739 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 22:08:49,741 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 [2021-12-06 22:08:49,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:49,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:49,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:49,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:49,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:49,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 22:08:49,768 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:08:49,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,769 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 22:08:49,770 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 [2021-12-06 22:08:49,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,778 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:49,778 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:49,789 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-12-06 22:08:49,789 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-12-06 22:08:49,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 22:08:49,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,851 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 22:08:49,852 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 [2021-12-06 22:08:49,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:49,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:49,859 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:49,859 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:49,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:49,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:49,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,879 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 22:08:49,880 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 [2021-12-06 22:08:49,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:49,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:49,887 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:49,888 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:49,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:49,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:49,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:49,907 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:08:49,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:49,908 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:49,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 22:08:49,909 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 [2021-12-06 22:08:49,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:49,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:49,916 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:49,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:49,933 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:49,933 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:49,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:50,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,008 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 22:08:50,009 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 [2021-12-06 22:08:50,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:50,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:50,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:50,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,036 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 22:08:50,037 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 [2021-12-06 22:08:50,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:50,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,046 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,046 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:50,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 22:08:50,065 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:08:50,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,066 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 22:08:50,068 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 [2021-12-06 22:08:50,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:50,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,075 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:50,076 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,095 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-12-06 22:08:50,095 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-12-06 22:08:50,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 22:08:50,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,188 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 22:08:50,190 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 [2021-12-06 22:08:50,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:50,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,198 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:50,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 22:08:50,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,218 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 22:08:50,219 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 [2021-12-06 22:08:50,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:50,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,228 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,228 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:50,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 22:08:50,248 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:08:50,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,249 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 22:08:50,250 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 [2021-12-06 22:08:50,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,258 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:50,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,258 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:50,258 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:50,271 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-12-06 22:08:50,271 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-12-06 22:08:50,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 22:08:50,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,356 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 22:08:50,358 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 [2021-12-06 22:08:50,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,365 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:50,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:50,366 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:50,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 22:08:50,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,386 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 22:08:50,387 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 [2021-12-06 22:08:50,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,395 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:50,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,395 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:08:50,395 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:08:50,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 22:08:50,415 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:08:50,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,415 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 22:08:50,417 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 [2021-12-06 22:08:50,424 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,424 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:50,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,424 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:50,424 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,440 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:50,440 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:50,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 22:08:50,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,542 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 22:08:50,543 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 [2021-12-06 22:08:50,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,551 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:50,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,551 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,552 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:50,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:50,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,573 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 22:08:50,574 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 [2021-12-06 22:08:50,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,582 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:08:50,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,582 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:50,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 22:08:50,604 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:08:50,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,605 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 22:08:50,606 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 [2021-12-06 22:08:50,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,614 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:50,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,614 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:50,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,638 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-12-06 22:08:50,638 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-12-06 22:08:50,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 22:08:50,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,771 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 22:08:50,772 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 [2021-12-06 22:08:50,780 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,780 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:50,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,780 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,780 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:50,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 22:08:50,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,802 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 22:08:50,803 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 [2021-12-06 22:08:50,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,811 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:50,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:50,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:50,811 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:08:50,811 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:08:50,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:50,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 22:08:50,832 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:08:50,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,833 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 22:08:50,834 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 [2021-12-06 22:08:50,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:50,842 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:50,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:50,842 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:50,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:50,858 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-12-06 22:08:50,858 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 22:08:50,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:50,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 22:08:50,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:50,992 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:50,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 22:08:50,994 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 [2021-12-06 22:08:51,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:51,002 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:51,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:51,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:51,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:51,002 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:51,003 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:51,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:51,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:51,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 22:08:51,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:51,023 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:51,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 22:08:51,024 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 [2021-12-06 22:08:51,031 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:51,032 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:08:51,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:51,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:51,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:51,032 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:08:51,032 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:51,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:51,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:51,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 22:08:51,051 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:08:51,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:51,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:51,052 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:51,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 22:08:51,054 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 [2021-12-06 22:08:51,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:51,061 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:51,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:51,061 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-06 22:08:51,061 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:51,087 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-12-06 22:08:51,087 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-12-06 22:08:51,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:51,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 22:08:51,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:51,315 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 22:08:51,317 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 [2021-12-06 22:08:51,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:51,324 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:51,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:51,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:51,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:51,324 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:51,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:51,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:51,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:51,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 22:08:51,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:51,345 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:51,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 22:08:51,347 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 [2021-12-06 22:08:51,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:08:51,354 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:08:51,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:51,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:51,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:51,354 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:08:51,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:51,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:51,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:51,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 22:08:51,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 10:08:51 BoogieIcfgContainer [2021-12-06 22:08:51,378 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 22:08:51,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:08:51,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:08:51,379 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:08:51,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:46" (3/4) ... [2021-12-06 22:08:51,381 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:08:51,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:08:51,382 INFO L158 Benchmark]: Toolchain (without parser) took 5360.47ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 44.5MB in the beginning and 55.2MB in the end (delta: -10.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-12-06 22:08:51,382 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:08:51,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.17ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 60.5MB in the end (delta: -16.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-06 22:08:51,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.62ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 59.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:08:51,383 INFO L158 Benchmark]: Boogie Preprocessor took 11.12ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 58.3MB in the end (delta: 849.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:08:51,383 INFO L158 Benchmark]: RCFGBuilder took 148.52ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 50.4MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:08:51,383 INFO L158 Benchmark]: BuchiAutomizer took 5041.34ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 50.4MB in the beginning and 56.3MB in the end (delta: -5.8MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2021-12-06 22:08:51,384 INFO L158 Benchmark]: Witness Printer took 2.28ms. Allocated memory is still 119.5MB. Free memory was 56.3MB in the beginning and 55.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:08:51,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.17ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 60.5MB in the end (delta: -16.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.62ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 59.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.12ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 58.3MB in the end (delta: 849.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 148.52ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 50.4MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5041.34ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 50.4MB in the beginning and 56.3MB in the end (delta: -5.8MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Witness Printer took 2.28ms. Allocated memory is still 119.5MB. Free memory was 56.3MB in the beginning and 55.2MB 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital63 mio100 ax100 hnf100 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp89 dnf340 smp45 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 244ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - 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_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2;" "assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2);" Loop: "assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-12-06 22:08:51,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e8b5f6-f402-41b5-894e-2c81bed04b79/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_18e8b5f6-f402-41b5-894e-2c81bed04b79/bin/uautomizer-DrprNOufMa/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN