./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i --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_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/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_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/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_eabf7f67-3985-4c81-b433-929d2ee5ab94/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 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:40:12,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:40:12,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:40:12,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:40:12,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:40:12,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:40:12,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:40:12,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:40:12,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:40:12,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:40:12,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:40:12,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:40:12,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:40:12,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:40:12,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:40:12,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:40:12,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:40:12,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:40:12,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:40:12,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:40:12,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:40:12,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:40:12,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:40:12,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:40:12,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:40:12,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:40:12,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:40:12,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:40:12,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:40:12,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:40:12,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:40:12,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:40:12,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:40:12,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:40:12,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:40:12,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:40:12,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:40:12,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:40:12,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:40:12,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:40:12,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:40:12,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:40:12,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:40:12,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:40:12,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:40:12,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:40:12,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:40:12,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:40:12,452 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:40:12,452 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:40:12,452 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:40:12,453 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:40:12,454 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:40:12,454 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:40:12,454 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:40:12,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:40:12,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:40:12,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:40:12,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:40:12,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:40:12,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:40:12,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:40:12,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:40:12,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:40:12,456 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:40:12,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:40:12,457 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:40:12,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:40:12,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:40:12,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:40:12,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:40:12,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:40:12,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:40:12,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:40:12,461 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:40:12,461 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_eabf7f67-3985-4c81-b433-929d2ee5ab94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 [2021-11-20 06:40:12,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:40:12,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:40:12,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:40:12,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:40:12,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:40:12,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2021-11-20 06:40:12,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/data/6472add5f/59b947d80cd14349b2586d809d35dff1/FLAGe7d13f1fb [2021-11-20 06:40:13,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:40:13,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2021-11-20 06:40:13,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/data/6472add5f/59b947d80cd14349b2586d809d35dff1/FLAGe7d13f1fb [2021-11-20 06:40:13,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/data/6472add5f/59b947d80cd14349b2586d809d35dff1 [2021-11-20 06:40:13,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:40:13,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:40:13,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:13,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:40:13,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:40:13,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:13,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60806921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13, skipping insertion in model container [2021-11-20 06:40:13,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:13,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:40:13,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:40:13,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:13,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:40:13,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:13,966 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:40:13,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13 WrapperNode [2021-11-20 06:40:13,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:13,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:13,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:40:13,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:40:13,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:13,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,014 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-20 06:40:14,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:14,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:40:14,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:40:14,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:40:14,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:40:14,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:40:14,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:40:14,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:40:14,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (1/1) ... [2021-11-20 06:40:14,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:40:14,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:40:14,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:40:14,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:40:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:40:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:40:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-20 06:40:14,222 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:40:14,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:40:14,357 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:40:14,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:40:14,366 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:40:14,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:14 BoogieIcfgContainer [2021-11-20 06:40:14,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:40:14,370 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:40:14,370 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:40:14,374 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:40:14,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:14,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:40:13" (1/3) ... [2021-11-20 06:40:14,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4260c849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:40:14, skipping insertion in model container [2021-11-20 06:40:14,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:14,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:13" (2/3) ... [2021-11-20 06:40:14,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4260c849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:40:14, skipping insertion in model container [2021-11-20 06:40:14,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:14,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:14" (3/3) ... [2021-11-20 06:40:14,381 INFO L388 chiAutomizerObserver]: Analyzing ICFG divbin1-both-nt.i [2021-11-20 06:40:14,435 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:40:14,435 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:40:14,435 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:40:14,435 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:40:14,436 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:40:14,436 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:40:14,436 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:40:14,436 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:40:14,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:14,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:40:14,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:40:14,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:40:14,486 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:40:14,486 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:40:14,486 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:40:14,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:14,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:40:14,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:40:14,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:40:14,490 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:40:14,490 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:40:14,498 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~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 3#L16true assume !(main_~B~0#1 % 4294967296 < 1); 11#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 12#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 10#L23-1true [2021-11-20 06:40:14,499 INFO L793 eck$LassoCheckResult]: Loop: 10#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 13#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 10#L23-1true [2021-11-20 06:40:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash 889571339, now seen corresponding path program 1 times [2021-11-20 06:40:14,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:14,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84006818] [2021-11-20 06:40:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:14,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,624 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:40:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,663 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:40:14,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:14,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 1 times [2021-11-20 06:40:14,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:14,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703598709] [2021-11-20 06:40:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:14,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:14,675 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:40:14,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521053867] [2021-11-20 06:40:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:14,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:40:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:40:14,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:40:14,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:40:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,720 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:40:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,731 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:40:14,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:14,734 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 1 times [2021-11-20 06:40:14,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:14,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629316395] [2021-11-20 06:40:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:14,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:14,746 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:40:14,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106881541] [2021-11-20 06:40:14,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:14,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:40:14,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:40:14,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:40:14,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:40:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,849 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:40:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:14,863 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:41:05,319 WARN L227 SmtUtils]: Spent 50.45s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:41:30,590 WARN L227 SmtUtils]: Spent 25.21s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:41:43,412 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:41:43,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:41:43,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:41:43,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:41:43,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:41:43,414 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:41:43,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:41:43,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:41:43,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2021-11-20 06:41:43,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:41:43,415 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:41:43,439 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 06:41:43,448 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 06:41:43,452 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 06:42:08,685 WARN L227 SmtUtils]: Spent 25.18s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 06:42:08,686 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 06:42:09,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:42:09,445 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:42:09,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:09,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:09,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:09,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:42:09,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:09,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:42:09,492 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:42:09,492 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 06:42:09,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:09,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:09,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:09,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:42:09,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:42:09,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:09,548 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:42:09,549 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:42:09,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:09,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:09,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:09,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:09,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:42:09,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:42:09,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:09,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 06:42:09,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:09,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:42:09,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:42:09,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:09,784 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:42:09,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:09,821 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:42:09,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:42:09,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:42:09,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:42:09,822 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:42:09,822 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:09,822 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:42:09,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:42:09,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2021-11-20 06:42:09,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:42:09,822 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:42:09,825 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 06:42:09,828 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 06:42:09,830 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 06:42:09,832 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 06:42:10,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:42:10,468 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:42:10,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,478 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 06:42:10,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:42:10,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:42:10,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:42:10,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:42:10,553 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 06:42:10,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:42:10,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:42:10,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,599 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:42:10,601 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 06:42:10,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:42:10,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:42:10,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,630 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,634 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 06:42:10,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:42:10,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:42:10,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:42:10,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:42:10,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,722 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:42:10,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,723 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:42:10,737 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 06:42:10,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,748 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:10,757 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:10,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,808 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 06:42:10,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,818 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:10,819 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:10,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:42:10,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:42:10,861 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 06:42:10,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:10,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,872 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:10,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:10,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:10,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:10,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:10,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:10,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:10,910 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:10,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:42:10,924 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 06:42:10,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:10,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:10,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:10,934 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:10,951 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:42:10,952 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:42:10,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,008 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:42:11,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,009 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:42:11,012 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 06:42:11,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,019 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,021 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:11,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,043 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:42:11,047 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 06:42:11,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:11,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-20 06:42:11,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,080 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:42:11,082 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 06:42:11,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,089 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:11,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,141 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:42:11,143 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 06:42:11,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,151 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,173 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:42:11,174 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:42:11,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,241 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:42:11,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,245 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,250 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 06:42:11,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,260 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:11,261 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:11,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:42:11,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,312 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:42:11,316 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 06:42:11,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,326 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:11,327 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:11,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,378 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,383 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 06:42:11,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,394 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:11,395 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:11,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:42:11,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,439 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:42:11,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:11,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,456 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:11,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:42:11,489 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:42:11,489 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:42:11,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,565 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:42:11,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,568 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,573 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 06:42:11,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,583 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:11,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,583 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:11,585 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:11,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:42:11,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,635 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,641 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 06:42:11,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,650 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:11,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:11,652 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:11,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:42:11,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,713 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,715 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 06:42:11,725 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,725 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:11,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,725 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:11,726 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:11,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:42:11,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,787 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,790 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 06:42:11,800 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,800 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:11,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,801 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:11,816 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:42:11,816 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:42:11,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:42:11,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:11,861 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:42:11,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,862 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:42:11,864 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 06:42:11,872 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,872 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:42:11,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,872 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,873 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:11,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:11,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 06:42:11,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:11,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:11,918 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:11,925 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 06:42:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:42:11,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:11,934 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:42:11,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:11,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:11,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:11,934 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:11,935 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:11,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:11,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,005 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,009 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 06:42:12,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,019 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:42:12,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,019 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,021 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:12,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:42:12,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,078 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,079 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 06:42:12,090 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,090 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:42:12,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:42:12,111 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:42:12,111 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:42:12,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,187 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:42:12,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,188 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,193 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 06:42:12,203 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,204 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,204 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:12,206 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:12,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:42:12,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,265 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,267 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 06:42:12,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:12,278 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:12,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:42:12,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,332 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,334 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 06:42:12,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,344 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,344 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:12,346 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:12,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:42:12,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,401 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,403 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 06:42:12,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,413 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:12,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:42:12,439 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:42:12,440 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:42:12,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,534 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:42:12,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,536 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,541 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 06:42:12,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,551 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:12,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,551 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,552 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:12,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:42:12,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,582 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:42:12,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:42:12,591 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,591 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:12,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,591 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:12,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,625 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:42:12,627 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 06:42:12,634 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,634 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:12,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,635 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,635 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:12,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,701 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:42:12,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,715 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:12,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:12,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:42:12,735 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:42:12,735 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:42:12,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,798 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:42:12,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,801 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,807 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 06:42:12,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,817 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:42:12,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:42:12,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:42:12,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,873 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:42:12,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,885 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,885 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:42:12,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:42:12,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:42:12,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:12,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:12,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:12,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:12,934 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:12,936 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 06:42:12,945 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:12,946 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:12,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:12,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:12,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:12,946 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:42:12,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:42:12,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:12,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:42:12,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:13,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:13,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:13,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:13,005 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:13,007 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 06:42:13,017 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:13,017 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:13,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:13,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:13,018 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:42:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:42:13,043 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:42:13,043 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:42:13,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:13,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:13,126 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 06:42:13,126 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~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 3#L16true assume !(main_~B~0#1 % 4294967296 < 1); 11#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 12#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 10#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 13#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 10#L23-1true [2021-11-20 06:42:13,126 INFO L793 eck$LassoCheckResult]: Loop: 10#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 13#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 10#L23-1true [2021-11-20 06:42:13,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:13,127 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 2 times [2021-11-20 06:42:13,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:13,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257193110] [2021-11-20 06:42:13,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:13,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:13,134 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:42:13,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974093416] [2021-11-20 06:42:13,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:42:13,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:42:13,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:13,138 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:42:13,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-20 06:42:13,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:42:13,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:42:13,181 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:13,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 2 times [2021-11-20 06:42:13,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849763753] [2021-11-20 06:42:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:13,195 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:42:13,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150433524] [2021-11-20 06:42:13,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:42:13,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:42:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:13,206 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:42:13,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-20 06:42:13,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:42:13,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:42:13,232 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:13,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:13,241 INFO L85 PathProgramCache]: Analyzing trace with hash 764056353, now seen corresponding path program 3 times [2021-11-20 06:42:13,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:13,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874968554] [2021-11-20 06:42:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:13,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:13,247 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:42:13,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178351514] [2021-11-20 06:42:13,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:42:13,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:42:13,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:13,272 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:42:13,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-20 06:42:13,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:42:13,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:42:13,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:13,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:25,826 WARN L227 SmtUtils]: Spent 12.48s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:42:38,432 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:42:38,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:42:38,432 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:42:38,432 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:42:38,432 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:42:38,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:38,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:42:38,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:42:38,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Loop [2021-11-20 06:42:38,433 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:42:38,433 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:42:38,434 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 06:42:51,118 WARN L227 SmtUtils]: Spent 12.68s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 06:42:51,582 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:42:51,582 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:42:51,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:51,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:51,602 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:51,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:42:51,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:51,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:42:51,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:51,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:51,706 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:51,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:42:51,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:42:51,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:42:51,736 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:42:51,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:51,766 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:42:51,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:42:51,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:42:51,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:42:51,766 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:42:51,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:51,766 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:42:51,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:42:51,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Loop [2021-11-20 06:42:51,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:42:51,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:42:51,768 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 06:42:52,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:42:52,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:42:52,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,177 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,179 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 06:42:52,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:52,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:42:52,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:42:52,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:42:52,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:42:52,223 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:42:52,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,224 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:42:52,226 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 06:42:52,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:52,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,234 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:52,237 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:52,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,281 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:42:52,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,282 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,284 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 06:42:52,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:52,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,294 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:52,299 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:52,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:42:52,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,350 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:42:52,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,351 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,353 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 06:42:52,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:42:52,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,364 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:52,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:42:52,370 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:52,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,424 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:42:52,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,429 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,431 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 06:42:52,442 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:52,442 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:52,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,442 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:42:52,447 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:42:52,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:42:52,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,506 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:42:52,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,513 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,515 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 06:42:52,528 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:52,528 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:42:52,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,528 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:52,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:42:52,536 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:52,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,609 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:42:52,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,610 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:42:52,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:52,627 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:52,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:42:52,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:42:52,638 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:42:52,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,709 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:42:52,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,711 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,713 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 06:42:52,725 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:52,725 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:42:52,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,726 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:42:52,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:42:52,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:42:52,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:42:52,792 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:42:52,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:52,794 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:52,797 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 06:42:52,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:42:52,809 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:42:52,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:42:52,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:42:52,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:42:52,810 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:42:52,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:42:52,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:42:52,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:42:52,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:42:52,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:43:18,160 WARN L227 SmtUtils]: Spent 25.29s on a formula simplification. DAG size of input: 34 DAG size of output: 24 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:43:56,134 WARN L227 SmtUtils]: Spent 37.91s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:44:08,738 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:08,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:08,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:08,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:08,738 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:44:08,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:08,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:08,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:08,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2021-11-20 06:44:08,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:08,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:08,740 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 06:44:08,743 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 06:44:08,745 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 06:44:33,989 WARN L227 SmtUtils]: Spent 25.24s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 06:44:46,471 WARN L227 SmtUtils]: Spent 12.48s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 06:44:46,471 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 06:44:47,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:44:47,370 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:44:47,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:47,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:47,372 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:47,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:44:47,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:47,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:47,389 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:47,389 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:44:47,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 06:44:47,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:47,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:47,416 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:47,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:44:47,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:47,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:47,428 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:44:47,428 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 06:44:47,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:47,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:47,454 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:47,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:44:47,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:44:47,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:47,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-20 06:44:47,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:44:47,503 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:44:47,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:44:47,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:44:47,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:44:47,552 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:44:47,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:44:47,594 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:44:47,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:44:47,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:44:47,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:44:47,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:44:47,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:44:47,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:44:47,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:44:47,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2021-11-20 06:44:47,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:44:47,595 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:44:47,597 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 06:45:38,052 WARN L227 SmtUtils]: Spent 50.45s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 06:45:38,074 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 06:45:38,076 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 06:45:38,079 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 06:45:38,915 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:38,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:45:38,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,918 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:45:38,921 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 06:45:38,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-20 06:45:38,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,977 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:45:38,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:38,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:38,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:38,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-20 06:45:39,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,015 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:45:39,016 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 06:45:39,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:39,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:39,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,056 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:45:39,057 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 06:45:39,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:39,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:39,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 06:45:39,093 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:45:39,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,095 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:45:39,096 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 06:45:39,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,106 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:39,121 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:45:39,121 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:45:39,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,202 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,205 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 06:45:39,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,217 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:39,217 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:39,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:45:39,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,273 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,278 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 06:45:39,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,290 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:39,291 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:39,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:45:39,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,351 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,353 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 06:45:39,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:39,366 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:39,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:45:39,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,417 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:45:39,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,419 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:39,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:39,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:45:39,459 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:45:39,460 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:45:39,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,539 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,545 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 06:45:39,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:39,558 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:39,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:45:39,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,610 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,613 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 06:45:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:45:39,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:39,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:39,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 06:45:39,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,670 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:45:39,671 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 06:45:39,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,681 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:39,681 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:39,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-20 06:45:39,707 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:45:39,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,708 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:45:39,710 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 06:45:39,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:39,747 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:45:39,747 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:45:39,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,835 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,841 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 06:45:39,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:45:39,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,854 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:39,855 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:39,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,915 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,921 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 06:45:39,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:39,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:39,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:39,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:39,933 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:39,934 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:39,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:39,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:45:39,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:39,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:39,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:39,987 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:39,990 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 06:45:40,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:40,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,005 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:40,006 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:40,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:45:40,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,059 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:45:40,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,061 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,063 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 06:45:40,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,075 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:40,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,076 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:40,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:45:40,094 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:45:40,095 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:45:40,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,171 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,177 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 06:45:40,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,189 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:40,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,189 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:40,190 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:40,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:45:40,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,253 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,257 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 06:45:40,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,269 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:40,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,270 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:40,270 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:40,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:45:40,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,335 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,337 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 06:45:40,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,349 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:40,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,349 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:45:40,350 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:45:40,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:45:40,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,405 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:45:40,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,406 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,408 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 06:45:40,421 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,421 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:45:40,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:45:40,446 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:45:40,447 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:45:40,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,542 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,545 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 06:45:40,557 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,557 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:45:40,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,558 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:40,560 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:40,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:45:40,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,625 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,628 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 06:45:40,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,640 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:45:40,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:40,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:40,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:45:40,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,707 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,709 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 06:45:40,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,721 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:45:40,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:40,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:40,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:45:40,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,785 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:45:40,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,789 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,794 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 06:45:40,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,809 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:40,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,810 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:40,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:45:40,846 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:45:40,846 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:45:40,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:40,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:40,963 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:40,966 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 06:45:40,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:40,978 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:40,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:40,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:40,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:40,978 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:40,980 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:40,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:40,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:45:40,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,041 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,044 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 06:45:41,057 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,057 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,057 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:41,061 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:41,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 06:45:41,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,123 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,125 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 06:45:41,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,141 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:45:41,144 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:45:41,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 06:45:41,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,201 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:45:41,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,203 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,206 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 06:45:41,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:41,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:41,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 06:45:41,244 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:45:41,245 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:45:41,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-20 06:45:41,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,313 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 06:45:41,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,326 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:41,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,327 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:41,328 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:41,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,356 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 06:45:41,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:41,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:41,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:41,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,400 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 06:45:41,401 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 06:45:41,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,411 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:45:41,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:45:41,412 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:45:41,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-20 06:45:41,440 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:45:41,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,441 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 06:45:41,442 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 06:45:41,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,453 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,453 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:45:41,493 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:45:41,494 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:45:41,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,586 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,593 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 06:45:41,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 06:45:41,604 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,604 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,605 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:45:41,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,634 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 06:45:41,635 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 06:45:41,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,645 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,645 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:45:41,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,686 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 06:45:41,687 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 06:45:41,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:45:41,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:45:41,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,697 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:45:41,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:45:41 BoogieIcfgContainer [2021-11-20 06:45:41,769 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:45:41,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:45:41,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:45:41,771 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:45:41,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:14" (3/4) ... [2021-11-20 06:45:41,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:45:41,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:45:41,778 INFO L158 Benchmark]: Toolchain (without parser) took 328080.90ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 62.1MB in the beginning and 87.4MB in the end (delta: -25.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-20 06:45:41,779 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:41,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.18ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 61.8MB in the beginning and 104.8MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:45:41,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.98ms. Allocated memory is still 127.9MB. Free memory was 104.8MB in the beginning and 103.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:41,780 INFO L158 Benchmark]: Boogie Preprocessor took 43.06ms. Allocated memory is still 127.9MB. Free memory was 102.7MB in the beginning and 102.0MB in the end (delta: 750.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:41,781 INFO L158 Benchmark]: RCFGBuilder took 308.46ms. Allocated memory is still 127.9MB. Free memory was 102.0MB in the beginning and 93.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:45:41,781 INFO L158 Benchmark]: BuchiAutomizer took 327398.94ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 88.0MB in the end (delta: 4.9MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2021-11-20 06:45:41,784 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 666.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:41,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.18ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 61.8MB in the beginning and 104.8MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.98ms. Allocated memory is still 127.9MB. Free memory was 104.8MB in the beginning and 103.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.06ms. Allocated memory is still 127.9MB. Free memory was 102.7MB in the beginning and 102.0MB in the end (delta: 750.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.46ms. Allocated memory is still 127.9MB. Free memory was 102.0MB in the beginning and 93.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 327398.94ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 88.0MB in the end (delta: 4.9MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 666.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 327.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 327.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital44 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div743 bol100 ite100 ukn100 eq139 hnf40 smp86 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 102ms VariablesStem: 14 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;" "assume !(main_~B~0#1 % 4294967296 >= 2147483647);" "assume !(main_~B~0#1 % 4294967296 < 1);" "assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1;" "assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296;" "assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296);" "assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296);" Loop: "assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296);" "assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 06:45:41,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2021-11-20 06:45:42,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-11-20 06:45:42,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:42,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 06:45:42,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 06:45:42,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf7f67-3985-4c81-b433-929d2ee5ab94/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