./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/egcd-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/egcd-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:40:15,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:40:15,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:40:15,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:40:15,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:40:15,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:40:15,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:40:15,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:40:15,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:40:15,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:40:15,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:40:15,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:40:15,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:40:15,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:40:15,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:40:15,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:40:15,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:40:15,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:40:15,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:40:15,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:40:15,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:40:15,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:40:15,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:40:15,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:40:16,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:40:16,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:40:16,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:40:16,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:40:16,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:40:16,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:40:16,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:40:16,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:40:16,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:40:16,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:40:16,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:40:16,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:40:16,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:40:16,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:40:16,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:40:16,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:40:16,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:40:16,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:40:16,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:40:16,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:40:16,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:40:16,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:40:16,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:40:16,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:40:16,044 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:40:16,044 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:40:16,044 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:40:16,044 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:40:16,045 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:40:16,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:40:16,045 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:40:16,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:40:16,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:40:16,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:40:16,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:40:16,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:40:16,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:40:16,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:40:16,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:40:16,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:40:16,047 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:40:16,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:40:16,048 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:40:16,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:40:16,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:40:16,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:40:16,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:40:16,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:40:16,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:40:16,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:40:16,050 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:40:16,050 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_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 [2021-11-20 07:40:16,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:40:16,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:40:16,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:40:16,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:40:16,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:40:16,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/egcd-both-t.c [2021-11-20 07:40:16,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/data/b7878b347/54c06a40bcfb41d991fa65db2467bc5b/FLAG009d3ff05 [2021-11-20 07:40:16,946 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:40:16,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/sv-benchmarks/c/termination-nla/egcd-both-t.c [2021-11-20 07:40:16,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/data/b7878b347/54c06a40bcfb41d991fa65db2467bc5b/FLAG009d3ff05 [2021-11-20 07:40:17,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/data/b7878b347/54c06a40bcfb41d991fa65db2467bc5b [2021-11-20 07:40:17,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:40:17,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:40:17,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:40:17,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:40:17,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:40:17,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17, skipping insertion in model container [2021-11-20 07:40:17,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:40:17,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:40:17,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:40:17,519 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:40:17,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:40:17,546 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:40:17,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17 WrapperNode [2021-11-20 07:40:17,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:40:17,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:40:17,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:40:17,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:40:17,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,609 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-11-20 07:40:17,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:40:17,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:40:17,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:40:17,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:40:17,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:40:17,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:40:17,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:40:17,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:40:17,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (1/1) ... [2021-11-20 07:40:17,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:17,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:17,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:40:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:40:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:40:17,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:40:17,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:40:17,912 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:40:17,920 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:40:17,920 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:40:17,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:40:17 BoogieIcfgContainer [2021-11-20 07:40:17,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:40:17,924 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:40:17,924 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:40:17,927 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:40:17,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:40:17,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:40:17" (1/3) ... [2021-11-20 07:40:17,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f39fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:40:17, skipping insertion in model container [2021-11-20 07:40:17,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:40:17,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:40:17" (2/3) ... [2021-11-20 07:40:17,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59f39fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:40:17, skipping insertion in model container [2021-11-20 07:40:17,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:40:17,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:40:17" (3/3) ... [2021-11-20 07:40:17,934 INFO L388 chiAutomizerObserver]: Analyzing ICFG egcd-both-t.c [2021-11-20 07:40:18,027 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:40:18,027 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:40:18,027 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:40:18,027 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:40:18,027 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:40:18,028 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:40:18,028 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:40:18,028 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:40:18,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:40:18,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:40:18,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:40:18,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:40:18,079 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:40:18,080 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:40:18,080 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:40:18,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:40:18,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:40:18,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:40:18,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:40:18,082 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:40:18,082 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:40:18,089 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~s~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~s~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L25true assume main_~x~0#1 >= 1 && main_~y~0#1 >= 1;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;main_~r~0#1 := 0;main_~s~0#1 := 1; 10#L38-2true [2021-11-20 07:40:18,089 INFO L793 eck$LassoCheckResult]: Loop: 10#L38-2true assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 8#L38true assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1; 10#L38-2true [2021-11-20 07:40:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:18,101 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 07:40:18,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:18,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642214657] [2021-11-20 07:40:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:18,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,208 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,250 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2021-11-20 07:40:18,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:18,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315454173] [2021-11-20 07:40:18,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:18,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:18,271 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:18,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708218256] [2021-11-20 07:40:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:18,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:18,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:18,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:18,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:40:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:18,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2021-11-20 07:40:18,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:18,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267251049] [2021-11-20 07:40:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:18,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:18,331 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:18,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507947642] [2021-11-20 07:40:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:18,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:18,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:18,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:40:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,440 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:18,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:18,665 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:18,665 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:18,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:18,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:18,666 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:40:18,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:18,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:18,667 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:18,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration1_Lasso [2021-11-20 07:40:18,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:18,669 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:18,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:18,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:18,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:18,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:18,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:18,953 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:40:18,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:18,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:18,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:18,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:18,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:19,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:40:19,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:19,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:19,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:19,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:40:19,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:19,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:40:19,133 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:40:19,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:19,174 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:19,174 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:19,174 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:19,174 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:19,175 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:40:19,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:19,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:19,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:19,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration1_Lasso [2021-11-20 07:40:19,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:19,175 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:19,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:19,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:19,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:19,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:19,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:19,449 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:40:19,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:19,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:19,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:19,454 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 [2021-11-20 07:40:19,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:19,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:19,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:19,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:19,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:19,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:19,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:19,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:40:19,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:19,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:19,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:19,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:19,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:19,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:40:19,511 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 [2021-11-20 07:40:19,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:19,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:19,521 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:19,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:19,571 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:40:19,571 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:40:19,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:40:19,665 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 07:40:19,665 INFO L444 ModelExtractionUtils]: 37 out of 46 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-11-20 07:40:19,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:19,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:19,677 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:40:19,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:40:19,705 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-20 07:40:19,705 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:40:19,706 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1, ULTIMATE.start_main_~b~0#1) = 1*ULTIMATE.start_main_~a~0#1 - 1*ULTIMATE.start_main_~b~0#1 Supporting invariants [1*ULTIMATE.start_main_~b~0#1 - 1 >= 0] [2021-11-20 07:40:19,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:19,745 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 07:40:19,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:19,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:40:19,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:40:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:19,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:40:19,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:40:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:40:19,849 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-20 07:40:19,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 07:40:19,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 6 states. [2021-11-20 07:40:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 07:40:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 07:40:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-20 07:40:19,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 07:40:19,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:40:19,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 07:40:19,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:40:19,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:40:19,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:40:19,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-11-20 07:40:19,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:40:19,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2021-11-20 07:40:19,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-20 07:40:19,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-20 07:40:19,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-11-20 07:40:19,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:40:19,917 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-20 07:40:19,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-11-20 07:40:19,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-20 07:40:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:40:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-11-20 07:40:19,944 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-20 07:40:19,944 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-20 07:40:19,944 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:40:19,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2021-11-20 07:40:19,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:40:19,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:40:19,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:40:19,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 07:40:19,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:40:19,946 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~s~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~s~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 88#L25 assume main_~x~0#1 >= 1 && main_~y~0#1 >= 1;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;main_~r~0#1 := 0;main_~s~0#1 := 1; 89#L38-2 assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 90#L38 assume !(main_~a~0#1 > main_~b~0#1);main_~b~0#1 := main_~b~0#1 - main_~a~0#1;main_~q~0#1 := main_~q~0#1 - main_~p~0#1;main_~s~0#1 := main_~s~0#1 - main_~r~0#1; 91#L38-2 [2021-11-20 07:40:19,946 INFO L793 eck$LassoCheckResult]: Loop: 91#L38-2 assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 94#L38 assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1; 91#L38-2 [2021-11-20 07:40:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2021-11-20 07:40:19,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:19,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810911217] [2021-11-20 07:40:19,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:19,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:19,953 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:19,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125396026] [2021-11-20 07:40:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:19,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:19,955 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:40:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:19,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:20,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:20,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2021-11-20 07:40:20,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:20,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727199455] [2021-11-20 07:40:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:20,006 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:20,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921887188] [2021-11-20 07:40:20,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:40:20,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:20,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:40:20,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:40:20,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:40:20,042 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:20,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:20,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:20,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122026, now seen corresponding path program 1 times [2021-11-20 07:40:20,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:20,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773031440] [2021-11-20 07:40:20,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:20,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:20,055 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:20,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812943374] [2021-11-20 07:40:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:20,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:20,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,063 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 07:40:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:20,098 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:20,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:20,296 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:20,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:20,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:20,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:20,297 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:40:20,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:20,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:20,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration2_Lasso [2021-11-20 07:40:20,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:20,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:20,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:20,552 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:40:20,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:20,562 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:20,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:40:20,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:40:20,580 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:40:20,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,618 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:20,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:40:20,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:40:20,645 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:40:20,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,679 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:40:20,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:20,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:20,706 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:40:20,706 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:40:20,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,732 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:40:20,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:20,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:20,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:20,801 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:20,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:40:20,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:20,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:40:20,849 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:40:20,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:20,885 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:20,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:20,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:20,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:20,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:40:20,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:20,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:20,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:20,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration2_Lasso [2021-11-20 07:40:20,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:20,886 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:20,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:20,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:21,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:21,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:40:21,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,094 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,122 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 [2021-11-20 07:40:21,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:21,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:21,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:40:21,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,182 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:40:21,185 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 [2021-11-20 07:40:21,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,193 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:21,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:21,219 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:40:21,219 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:40:21,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,275 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:40:21,281 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 [2021-11-20 07:40:21,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:21,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:21,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:40:21,321 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 [2021-11-20 07:40:21,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:21,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:21,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,353 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:40:21,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,354 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,355 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 [2021-11-20 07:40:21,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:40:21,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,363 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:21,364 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:21,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,386 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:40:21,391 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 [2021-11-20 07:40:21,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:21,399 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:21,432 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:40:21,432 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:40:21,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,518 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:40:21,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:40:21,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,533 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:21,534 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:21,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,573 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:40:21,575 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 [2021-11-20 07:40:21,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,582 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:21,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:21,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,603 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:40:21,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,605 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:40:21,625 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 [2021-11-20 07:40:21,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,634 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:21,635 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:21,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,683 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,690 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 [2021-11-20 07:40:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:40:21,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,701 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:21,701 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:21,743 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:21,743 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:21,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,853 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,859 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 [2021-11-20 07:40:21,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:21,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:21,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:40:21,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:21,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:21,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:21,933 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:21,937 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 [2021-11-20 07:40:21,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:21,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:21,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:21,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:21,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:21,948 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:21,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:21,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:40:21,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,003 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:40:22,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,005 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,009 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 [2021-11-20 07:40:22,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:40:22,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:22,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,019 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:22,020 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:22,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,074 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,076 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 [2021-11-20 07:40:22,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:22,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,088 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:22,088 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:22,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:40:22,137 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:40:22,137 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:40:22,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,272 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,276 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 [2021-11-20 07:40:22,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:22,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,286 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:22,286 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:22,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:40:22,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,338 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,340 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 [2021-11-20 07:40:22,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:22,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,350 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:22,351 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:22,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:40:22,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,398 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:40:22,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,399 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,401 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 [2021-11-20 07:40:22,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,410 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:22,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:22,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:22,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:40:22,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,451 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:40:22,453 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 [2021-11-20 07:40:22,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,461 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:22,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,461 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:22,461 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:22,493 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:40:22,493 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:40:22,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 07:40:22,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,581 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:40:22,582 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 [2021-11-20 07:40:22,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,589 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:22,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,589 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:22,590 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:22,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,648 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,651 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 [2021-11-20 07:40:22,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,660 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:22,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,661 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:22,662 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:22,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:40:22,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:22,714 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:40:22,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,716 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,719 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 [2021-11-20 07:40:22,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,728 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:22,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:22,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:22,729 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:22,731 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:22,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:22,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:40:22,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 07:40:22,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,779 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:40:22,781 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 [2021-11-20 07:40:22,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:22,789 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:22,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:22,790 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:22,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:22,847 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:22,847 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:22,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:22,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 07:40:22,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:22,997 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:22,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:40:22,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:40:23,006 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,006 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:23,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,007 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,008 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:23,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-20 07:40:23,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,066 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 [2021-11-20 07:40:23,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:40:23,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,074 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:23,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,074 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,075 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:23,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,097 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:40:23,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,098 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,101 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 [2021-11-20 07:40:23,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:40:23,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,109 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:23,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,109 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:23,111 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:23,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,175 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,182 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 [2021-11-20 07:40:23,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,193 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:23,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,193 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:23,193 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:23,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:40:23,236 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:40:23,236 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:40:23,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 07:40:23,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,515 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:40:23,517 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 [2021-11-20 07:40:23,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,526 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:23,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,527 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:23,528 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:23,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,561 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 07:40:23,563 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 [2021-11-20 07:40:23,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,571 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:23,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,571 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:23,572 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:23,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,599 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:40:23,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,600 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 07:40:23,601 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 [2021-11-20 07:40:23,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,608 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:23,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,608 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,609 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:23,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,636 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 07:40:23,638 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 [2021-11-20 07:40:23,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,646 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:23,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,646 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:23,646 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,676 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:23,677 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:23,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,822 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,826 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 [2021-11-20 07:40:23,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,835 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:23,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,836 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:23,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:40:23,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,882 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,884 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 [2021-11-20 07:40:23,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,894 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:23,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,894 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:23,895 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:23,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:40:23,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:23,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:23,949 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:40:23,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:23,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:23,950 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:23,952 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 [2021-11-20 07:40:23,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:23,961 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:23,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:23,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:23,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:23,962 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:23,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:23,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:23,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:40:23,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:24,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:24,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:24,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,017 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,022 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 [2021-11-20 07:40:24,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:24,032 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:24,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:24,033 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:24,033 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 07:40:24,078 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-20 07:40:24,078 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 07:40:24,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:24,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-20 07:40:24,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:24,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,279 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 07:40:24,280 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 [2021-11-20 07:40:24,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:24,287 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:24,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:24,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:24,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:24,288 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:24,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:24,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:24,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:24,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 07:40:24,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:24,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,320 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,322 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 [2021-11-20 07:40:24,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 07:40:24,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:24,332 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:24,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:24,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:24,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:24,332 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:24,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:24,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:24,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:24,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:24,366 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 07:40:24,367 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~s~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~s~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 88#L25 assume main_~x~0#1 >= 1 && main_~y~0#1 >= 1;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;main_~r~0#1 := 0;main_~s~0#1 := 1; 89#L38-2 assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 90#L38 assume !(main_~a~0#1 > main_~b~0#1);main_~b~0#1 := main_~b~0#1 - main_~a~0#1;main_~q~0#1 := main_~q~0#1 - main_~p~0#1;main_~s~0#1 := main_~s~0#1 - main_~r~0#1; 91#L38-2 assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 94#L38 assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1; 91#L38-2 [2021-11-20 07:40:24,367 INFO L793 eck$LassoCheckResult]: Loop: 91#L38-2 assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1); 94#L38 assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1; 91#L38-2 [2021-11-20 07:40:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122026, now seen corresponding path program 2 times [2021-11-20 07:40:24,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:24,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825953661] [2021-11-20 07:40:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:24,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:24,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:24,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704699050] [2021-11-20 07:40:24,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:40:24,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:24,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,372 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-11-20 07:40:24,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:40:24,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:40:24,412 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:24,424 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:24,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 3 times [2021-11-20 07:40:24,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:24,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694287561] [2021-11-20 07:40:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:24,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:24,427 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:24,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143854031] [2021-11-20 07:40:24,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:40:24,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:24,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,441 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-20 07:40:24,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-20 07:40:24,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:40:24,464 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:24,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:24,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:24,490 INFO L85 PathProgramCache]: Analyzing trace with hash -444520147, now seen corresponding path program 3 times [2021-11-20 07:40:24,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:24,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649521405] [2021-11-20 07:40:24,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:24,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:24,494 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:40:24,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216125868] [2021-11-20 07:40:24,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:40:24,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:40:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:24,503 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:40:24,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-20 07:40:24,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 07:40:24,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:40:24,552 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:40:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:40:24,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:40:24,829 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:24,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:24,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:24,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:24,829 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:40:24,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:24,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:24,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:24,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration2_Lasso [2021-11-20 07:40:24,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:24,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:24,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:24,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:24,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:24,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:25,223 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:25,223 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:40:25,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,232 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:40:25,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:40:25,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:25,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-20 07:40:25,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,304 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:40:25,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:40:25,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:40:25,323 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:40:25,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:25,344 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:40:25,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:40:25,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:40:25,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:40:25,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:40:25,344 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:40:25,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:40:25,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: egcd-both-t.c_Iteration2_Lasso [2021-11-20 07:40:25,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:40:25,345 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:40:25,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:25,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:25,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:25,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:40:25,737 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:40:25,737 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:40:25,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,738 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:40:25,739 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 [2021-11-20 07:40:25,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:25,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:25,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:25,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:25,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:25,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:25,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:25,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:25,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:25,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,768 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:40:25,769 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 [2021-11-20 07:40:25,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:25,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:25,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:25,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:25,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:25,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:25,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:25,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:25,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 07:40:25,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,798 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:40:25,799 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 [2021-11-20 07:40:25,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:25,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:25,806 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:25,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:25,821 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:40:25,821 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:40:25,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:25,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-20 07:40:25,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,903 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,909 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 [2021-11-20 07:40:25,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:25,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:25,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:25,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:25,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:40:25,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:40:25,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:25,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:40:25,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:25,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:25,965 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:40:25,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:25,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:25,967 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:25,968 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 [2021-11-20 07:40:25,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:25,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:25,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:25,978 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:25,978 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:25,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:25,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:40:25,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,026 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,028 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 [2021-11-20 07:40:26,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,037 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,038 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:26,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 07:40:26,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,080 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,082 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 [2021-11-20 07:40:26,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,092 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:26,092 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 07:40:26,114 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:40:26,115 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:40:26,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,199 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,201 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 [2021-11-20 07:40:26,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,211 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,211 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:26,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 07:40:26,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,253 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:40:26,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,254 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,257 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 [2021-11-20 07:40:26,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,266 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:26,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:26,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:40:26,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,314 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,316 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 [2021-11-20 07:40:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:40:26,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:26,326 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:26,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 07:40:26,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,348 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:40:26,351 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 [2021-11-20 07:40:26,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,360 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:26,360 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:26,390 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:26,390 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:26,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,470 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,471 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 [2021-11-20 07:40:26,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:40:26,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,479 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:26,479 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:26,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,500 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:40:26,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,501 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:40:26,502 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 [2021-11-20 07:40:26,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,510 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:26,511 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:26,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,577 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,579 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 [2021-11-20 07:40:26,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,589 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:26,590 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:26,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:40:26,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,635 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,637 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 [2021-11-20 07:40:26,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,648 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:26,648 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:26,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:40:26,683 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:40:26,683 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:40:26,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,811 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:40:26,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:40:26,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:40:26,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,820 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:26,820 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:26,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-20 07:40:26,858 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:40:26,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,859 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:40:26,861 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 [2021-11-20 07:40:26,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:26,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:26,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,869 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:26,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 07:40:26,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,891 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:40:26,892 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 [2021-11-20 07:40:26,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:26,899 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:26,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:26,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:26,899 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,900 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:26,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:26,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:26,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:26,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:26,922 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:26,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:40:26,924 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 [2021-11-20 07:40:26,932 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:26,932 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:26,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:26,932 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:26,932 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:26,954 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:40:26,955 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:40:27,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,072 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 07:40:27,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:40:27,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,081 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:27,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:40:27,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:40:27,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-20 07:40:27,103 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:40:27,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,104 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,105 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 [2021-11-20 07:40:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 07:40:27,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,113 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:27,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,113 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:27,114 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:27,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,147 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 07:40:27,148 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 [2021-11-20 07:40:27,155 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,155 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:27,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,156 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:27,157 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:27,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,196 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 07:40:27,206 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 [2021-11-20 07:40:27,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,215 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:27,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:27,215 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:27,245 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:27,245 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:27,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,434 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,441 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 [2021-11-20 07:40:27,451 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,451 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:40:27,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,451 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:27,452 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:27,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 07:40:27,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,497 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:40:27,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,498 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 07:40:27,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:40:27,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:27,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,508 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:27,509 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:27,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,534 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 07:40:27,536 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 [2021-11-20 07:40:27,543 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,544 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:27,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,544 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:27,545 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:27,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 07:40:27,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,570 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 07:40:27,571 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 [2021-11-20 07:40:27,580 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,580 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:27,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,580 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:27,580 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:27,620 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:40:27,620 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:40:27,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:27,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,963 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 07:40:27,964 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 [2021-11-20 07:40:27,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:27,971 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:27,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:27,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:27,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:27,972 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:40:27,972 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:40:27,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:27,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:27,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-20 07:40:27,995 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:40:27,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:27,996 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:27,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 07:40:27,998 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 [2021-11-20 07:40:28,005 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,005 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:28,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:28,006 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:28,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-20 07:40:28,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,033 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 07:40:28,035 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 [2021-11-20 07:40:28,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,042 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:28,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,042 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:28,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:28,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:28,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,068 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 07:40:28,069 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 [2021-11-20 07:40:28,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,077 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:28,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,077 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:28,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:28,104 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:40:28,104 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:40:28,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-20 07:40:28,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,248 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 07:40:28,250 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 [2021-11-20 07:40:28,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,258 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:40:28,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:40:28,259 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:40:28,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-20 07:40:28,280 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:40:28,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,281 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 07:40:28,287 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 [2021-11-20 07:40:28,297 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,297 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:28,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,297 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:28,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:28,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-20 07:40:28,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,342 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 07:40:28,344 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 [2021-11-20 07:40:28,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:28,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,351 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:28,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:28,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:28,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,375 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 07:40:28,376 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 [2021-11-20 07:40:28,384 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,384 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:28,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,385 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:40:28,385 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:28,441 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-20 07:40:28,441 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 07:40:28,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-20 07:40:28,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:40:28,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:40:28,643 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:40:28,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 07:40:28,644 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 [2021-11-20 07:40:28,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:40:28,651 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:40:28,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:40:28,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:40:28,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:40:28,652 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:40:28,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:40:28,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:40:28,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:40:28,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-20 07:40:28,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:40:28 BoogieIcfgContainer [2021-11-20 07:40:28,680 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:40:28,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:40:28,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:40:28,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:40:28,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:40:17" (3/4) ... [2021-11-20 07:40:28,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:40:28,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:40:28,685 INFO L158 Benchmark]: Toolchain (without parser) took 11363.57ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 75.5MB in the beginning and 82.6MB in the end (delta: -7.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-20 07:40:28,686 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:40:28,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.05ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 88.0MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:40:28,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.42ms. Allocated memory is still 109.1MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:40:28,687 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:40:28,687 INFO L158 Benchmark]: RCFGBuilder took 291.10ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 77.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:40:28,688 INFO L158 Benchmark]: BuchiAutomizer took 10756.48ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 82.6MB in the end (delta: -5.6MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-11-20 07:40:28,688 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 132.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:40:28,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.05ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 88.0MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.42ms. Allocated memory is still 109.1MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.10ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 77.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10756.48ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 82.6MB in the end (delta: -5.6MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 132.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -1 * b + a and consists of 4 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 10.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital72 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq197 hnf93 smp95 dnf128 smp100 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 247ms VariablesStem: 8 VariablesLoop: 9 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 12 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~s~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~s~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 1 && main_~y~0#1 >= 1;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;main_~r~0#1 := 0;main_~s~0#1 := 1;" "assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1);" "assume !(main_~a~0#1 > main_~b~0#1);main_~b~0#1 := main_~b~0#1 - main_~a~0#1;main_~q~0#1 := main_~q~0#1 - main_~p~0#1;main_~s~0#1 := main_~s~0#1 - main_~r~0#1;" "assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1);" "assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1;" Loop: "assume !!(main_~y~0#1 * main_~r~0#1 + main_~x~0#1 * main_~p~0#1 != main_~x~0#1 * main_~q~0#1 + main_~y~0#1 * main_~s~0#1);" "assume main_~a~0#1 > main_~b~0#1;main_~a~0#1 := main_~a~0#1 - main_~b~0#1;main_~p~0#1 := main_~p~0#1 - main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~s~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 07:40:28,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2021-11-20 07:40:28,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2021-11-20 07:40:29,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-11-20 07:40:29,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-20 07:40:29,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:40:29,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-20 07:40:29,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 07:40:30,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 07:40:30,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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_85b41b1e-59f2-4982-bef4-18dacb849e3a/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN