./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX --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 f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:42:44,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:42:44,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:42:44,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:42:44,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:42:44,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:42:44,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:42:44,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:42:44,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:42:44,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:42:44,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:42:44,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:42:44,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:42:44,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:42:44,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:42:44,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:42:44,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:42:44,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:42:44,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:42:44,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:42:44,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:42:44,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:42:44,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:42:44,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:42:44,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:42:44,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:42:44,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:42:44,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:42:44,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:42:44,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:42:44,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:42:44,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:42:44,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:42:44,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:42:44,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:42:44,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:42:44,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:42:44,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:42:44,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:42:44,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:42:44,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:42:44,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 08:42:44,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:42:44,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:42:44,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:42:44,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:42:44,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:42:44,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:42:44,354 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:42:44,355 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:42:44,355 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:42:44,355 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:42:44,356 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:42:44,356 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:42:44,356 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:42:44,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:42:44,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:42:44,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:42:44,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:42:44,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:42:44,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:42:44,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:42:44,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:42:44,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:42:44,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:42:44,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:42:44,360 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:42:44,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:42:44,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:42:44,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:42:44,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:42:44,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:42:44,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:42:44,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:42:44,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:42:44,364 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_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-11-09 08:42:44,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:42:44,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:42:44,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:42:44,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:42:44,759 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:42:44,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-09 08:42:44,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/data/cb2a5580b/a06eeb6b5f0f4c989e980dbca17e51ed/FLAGfb242b14a [2021-11-09 08:42:45,506 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:42:45,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-09 08:42:45,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/data/cb2a5580b/a06eeb6b5f0f4c989e980dbca17e51ed/FLAGfb242b14a [2021-11-09 08:42:45,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/data/cb2a5580b/a06eeb6b5f0f4c989e980dbca17e51ed [2021-11-09 08:42:45,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:42:45,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:42:45,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:42:45,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:42:45,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:42:45,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:42:45" (1/1) ... [2021-11-09 08:42:45,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ba28b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:45, skipping insertion in model container [2021-11-09 08:42:45,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:42:45" (1/1) ... [2021-11-09 08:42:45,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:42:45,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:42:46,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:42:46,122 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:42:46,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:42:46,154 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:42:46,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46 WrapperNode [2021-11-09 08:42:46,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:42:46,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:42:46,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:42:46,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:42:46,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:42:46,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:42:46,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:42:46,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:42:46,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:42:46,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:42:46,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:42:46,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:42:46,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (1/1) ... [2021-11-09 08:42:46,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:42:46,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:46,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:42:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:42:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:42:46,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:42:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-09 08:42:46,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:42:46,547 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 08:42:46,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:42:46 BoogieIcfgContainer [2021-11-09 08:42:46,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:42:46,550 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:42:46,550 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:42:46,554 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:42:46,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:42:46,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:42:45" (1/3) ... [2021-11-09 08:42:46,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794268c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:42:46, skipping insertion in model container [2021-11-09 08:42:46,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:42:46,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:42:46" (2/3) ... [2021-11-09 08:42:46,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794268c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:42:46, skipping insertion in model container [2021-11-09 08:42:46,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:42:46,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:42:46" (3/3) ... [2021-11-09 08:42:46,560 INFO L389 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-11-09 08:42:46,614 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:42:46,614 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:42:46,615 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:42:46,615 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:42:46,615 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:42:46,615 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:42:46,615 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:42:46,615 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:42:46,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-11-09 08:42:46,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 08:42:46,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:42:46,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:42:46,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:42:46,692 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:42:46,693 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:42:46,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-11-09 08:42:46,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 08:42:46,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:42:46,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:42:46,704 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:42:46,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:42:46,713 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 10#L33true assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 8#L55-2true [2021-11-09 08:42:46,714 INFO L793 eck$LassoCheckResult]: Loop: 8#L55-2true assume !false; 6#L44true assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 11#L47-2true assume !true; 4#L55-1true assume !true; 8#L55-2true [2021-11-09 08:42:46,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:46,727 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-11-09 08:42:46,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:46,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263316832] [2021-11-09 08:42:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:46,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:46,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:42:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:46,922 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:42:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1390774, now seen corresponding path program 1 times [2021-11-09 08:42:46,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:46,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185103189] [2021-11-09 08:42:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:46,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:46,944 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:42:46,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418301090] [2021-11-09 08:42:46,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:46,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:42:46,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:46,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:42:46,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 08:42:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:47,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-09 08:42:47,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:42:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:47,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:47,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185103189] [2021-11-09 08:42:47,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:42:47,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418301090] [2021-11-09 08:42:47,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418301090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:47,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:47,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:42:47,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745339687] [2021-11-09 08:42:47,114 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:42:47,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:47,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:42:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:42:47,137 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-09 08:42:47,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:47,145 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-11-09 08:42:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:42:47,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-11-09 08:42:47,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 08:42:47,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 10 transitions. [2021-11-09 08:42:47,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:42:47,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 08:42:47,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-11-09 08:42:47,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:42:47,162 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-09 08:42:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-11-09 08:42:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-09 08:42:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:42:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-11-09 08:42:47,198 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-09 08:42:47,198 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-09 08:42:47,199 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:42:47,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-11-09 08:42:47,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 08:42:47,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:42:47,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:42:47,202 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:42:47,202 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:42:47,202 INFO L791 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 44#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 48#L55-2 [2021-11-09 08:42:47,219 INFO L793 eck$LassoCheckResult]: Loop: 48#L55-2 assume !false; 45#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 46#L47-2 assume !false; 47#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 41#L55-1 assume !false; 42#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 48#L55-2 [2021-11-09 08:42:47,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:47,221 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 2 times [2021-11-09 08:42:47,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:47,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134508652] [2021-11-09 08:42:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:47,251 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:42:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:47,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:42:47,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1336307500, now seen corresponding path program 1 times [2021-11-09 08:42:47,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:47,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510783999] [2021-11-09 08:42:47,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:47,290 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:42:47,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580163064] [2021-11-09 08:42:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:42:47,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:47,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:42:47,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 08:42:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:42:47,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 08:42:47,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:42:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:42:47,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:42:47,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510783999] [2021-11-09 08:42:47,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:42:47,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580163064] [2021-11-09 08:42:47,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580163064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:42:47,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:42:47,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:42:47,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256179889] [2021-11-09 08:42:47,535 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:42:47,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:42:47,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:42:47,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:42:47,537 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-11-09 08:42:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:42:47,665 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-11-09 08:42:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:42:47,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-11-09 08:42:47,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-09 08:42:47,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 15 transitions. [2021-11-09 08:42:47,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-09 08:42:47,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-09 08:42:47,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-11-09 08:42:47,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:42:47,669 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:42:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-11-09 08:42:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-09 08:42:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:42:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-09 08:42:47,672 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:42:47,672 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:42:47,672 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:42:47,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-09 08:42:47,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-09 08:42:47,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:42:47,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:42:47,674 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:42:47,675 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-09 08:42:47,676 INFO L791 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 86#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 91#L55-2 [2021-11-09 08:42:47,676 INFO L793 eck$LassoCheckResult]: Loop: 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-09 08:42:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 3 times [2021-11-09 08:42:47,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:47,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930851950] [2021-11-09 08:42:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:47,695 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:42:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:47,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:42:47,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash -3710639, now seen corresponding path program 1 times [2021-11-09 08:42:47,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:47,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103804201] [2021-11-09 08:42:47,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:47,733 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:42:47,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184275703] [2021-11-09 08:42:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:47,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:42:47,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:47,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:42:47,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 08:42:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:47,798 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:42:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:49,447 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:42:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:42:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1850454070, now seen corresponding path program 1 times [2021-11-09 08:42:49,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:42:49,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954577967] [2021-11-09 08:42:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:49,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:42:49,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:42:49,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440511749] [2021-11-09 08:42:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:42:49,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:42:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:42:49,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:42:49,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 08:42:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:49,710 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:42:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:42:49,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:42:58,284 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:42:58,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:42:58,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:42:58,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:42:58,286 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:42:58,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:42:58,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:42:58,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:42:58,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-09 08:42:58,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:42:58,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:42:58,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:43:04,654 WARN L207 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-09 08:43:31,272 WARN L207 SmtUtils]: Spent 26.60 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:43:33,692 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:43:33,692 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:43:33,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:43:33,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:43:33,697 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:43:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:43:33,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:43:33,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:43:33,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-09 08:43:33,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:43:33,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:43:33,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:43:33,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:43:33,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:43:33,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:43:33,803 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:43:33,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-09 08:43:33,835 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:43:33,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:43:33,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:43:33,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:43:33,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:43:33,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:43:33,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:43:33,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:43:33,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-09 08:43:33,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:43:33,836 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:43:33,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:43:59,524 WARN L207 SmtUtils]: Spent 21.00 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:44:14,769 WARN L207 SmtUtils]: Spent 15.24 s on a formula simplification that was a NOOP. DAG size: 49 [2021-11-09 08:44:14,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:44:14,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:44:14,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:14,776 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:14,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:14,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:44:14,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:44:14,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:14,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:14,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:14,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:44:14,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:44:14,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:14,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:14,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:14,820 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 08:44:14,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:14,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:14,821 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:14,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:44:14,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:14,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:44:14,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:14,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:14,830 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:44:14,843 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:44:14,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:14,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:14,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:14,870 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-09 08:44:14,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:14,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:14,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:14,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:44:14,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:14,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:44:14,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:14,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:14,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:14,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:44:14,889 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:44:14,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:14,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:14,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:14,914 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-09 08:44:14,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:14,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:14,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:14,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:44:14,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:14,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:44:14,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:14,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:14,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:14,925 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:44:14,932 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:44:14,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:14,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:14,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:14,969 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-09 08:44:14,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:14,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:14,971 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:44:14,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:14,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:44:14,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:44:14,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:14,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:14,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:14,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:44:15,004 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:44:15,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:15,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:15,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,066 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-09 08:44:15,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:15,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:15,068 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:15,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:44:15,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:15,100 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:44:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:44:15,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:15,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:15,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:15,101 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:44:15,112 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:44:15,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:15,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:15,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,167 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-09 08:44:15,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:15,170 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:15,179 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 [2021-11-09 08:44:15,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:44:15,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:44:15,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:44:15,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:15,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:15,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:15,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:44:15,206 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:44:15,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:15,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:15,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,278 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-09 08:44:15,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:15,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:15,283 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:15,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:44:15,300 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:44:15,300 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:44:15,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:15,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:15,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:15,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:44:15,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:44:15,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:15,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:44:15,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:15,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,374 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-09 08:44:15,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:15,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:15,375 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:15,383 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 [2021-11-09 08:44:15,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:44:15,394 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:44:15,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:44:15,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:44:15,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:44:15,395 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:44:15,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:44:15,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:44:15,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:44:15,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:44:15,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:15,546 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:44:15,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:44:15,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:44:15,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:44:15,547 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:44:15,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:15,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:44:15,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:44:15,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-09 08:44:15,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:44:15,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:44:15,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:17,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:17,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:17,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:25,311 WARN L207 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:44:28,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:44:28,221 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:44:28,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:28,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:28,238 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:28,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:44:28,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:44:28,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:44:28,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:28,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:44:28,309 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:44:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:44:28,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:44:28,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:44:28,339 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:44:28,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:44:28,375 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:44:28,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:44:28,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:44:28,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:44:28,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:44:28,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:44:28,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:44:28,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:44:28,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-09 08:44:28,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:44:28,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:44:28,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:30,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:30,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:44:30,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:45:02,721 WARN L207 SmtUtils]: Spent 32.45 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:45:05,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:45:05,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:45:05,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:05,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:05,988 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:05,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:45:05,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:05,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:05,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:05,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:05,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:45:06,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:45:06,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:45:06,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,071 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:45:06,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:45:06,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:45:06,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,127 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:45:06,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:45:06,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:45:06,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-11-09 08:45:06,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,158 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:45:06,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:45:06,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:45:06,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,235 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 08:45:06,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,237 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,257 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:06,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:45:06,274 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-09 08:45:06,274 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-09 08:45:06,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,331 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:45:06,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:06,341 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:06,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,367 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:45:06,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,377 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:06,377 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:06,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,449 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:06,449 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:06,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:45:06,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,507 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-09 08:45:06,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,508 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:45:06,515 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 [2021-11-09 08:45:06,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:06,541 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:45:06,541 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:45:06,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,619 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:45:06,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,633 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:06,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:06,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,661 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 08:45:06,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:06,675 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:06,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-09 08:45:06,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,713 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 08:45:06,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:06,722 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:06,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,755 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-09 08:45:06,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,756 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 08:45:06,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,769 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:06,787 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-09 08:45:06,787 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-09 08:45:06,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,841 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 08:45:06,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,853 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:06,853 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:06,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,878 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 08:45:06,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,894 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:06,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:06,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,919 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 08:45:06,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:06,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:06,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:06,928 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:06,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:06,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:06,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:06,986 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-09 08:45:06,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:06,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:06,987 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:06,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 08:45:06,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:06,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:06,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:06,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:06,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:06,997 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:07,010 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-09 08:45:07,010 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-09 08:45:07,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,054 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 08:45:07,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,062 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,063 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:07,063 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:07,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,088 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 08:45:07,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,097 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,098 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:07,098 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:07,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,143 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 08:45:07,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,152 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,152 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:07,153 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:07,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,216 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-09 08:45:07,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,219 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-09 08:45:07,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,229 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:45:07,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,254 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:45:07,254 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:45:07,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-09 08:45:07,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,310 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-09 08:45:07,316 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 [2021-11-09 08:45:07,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,324 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:45:07,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,324 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:07,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,383 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,400 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:45:07,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,401 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:07,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-09 08:45:07,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-09 08:45:07,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,427 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-09 08:45:07,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,435 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,435 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:45:07,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,435 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,436 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:07,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-09 08:45:07,458 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-09 08:45:07,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,459 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-09 08:45:07,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,469 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:07,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,469 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:07,489 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-09 08:45:07,489 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-09 08:45:07,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,577 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,593 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:07,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,593 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:07,595 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:07,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-09 08:45:07,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,651 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,662 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,662 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:07,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,663 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:07,664 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:07,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-09 08:45:07,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,716 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-09 08:45:07,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,731 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:07,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:07,734 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:07,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,794 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-09 08:45:07,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,799 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,812 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,827 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:45:07,827 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:45:07,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-09 08:45:07,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,896 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,909 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,911 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:07,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-09 08:45:07,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:07,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:07,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:07,956 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:07,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:07,966 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:07,967 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:07,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:07,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:07,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:07,967 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:07,968 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:07,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:07,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-09 08:45:07,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:08,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:08,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,022 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:08,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-09 08:45:08,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:08,037 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:08,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:08,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:08,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:08,037 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:08,038 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:08,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:08,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-09 08:45:08,066 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-09 08:45:08,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:08,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,068 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-09 08:45:08,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:08,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:08,077 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:08,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:08,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:08,077 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:45:08,101 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-09 08:45:08,101 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-09 08:45:08,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:08,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:08,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,185 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:08,196 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:08,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:08,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:08,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:08,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:08,197 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:45:08,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:45:08,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:08,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-09 08:45:08,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:08,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:08,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,251 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:08,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:08,262 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:08,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:08,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:08,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:08,262 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:45:08,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:45:08,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:08,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-09 08:45:08,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:08,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,312 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:08,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:08,326 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:08,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:08,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:08,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:08,326 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:45:08,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:45:08,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:08,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-09 08:45:08,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:08,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:08,371 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-09 08:45:08,372 INFO L791 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 86#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-09 08:45:08,372 INFO L793 eck$LassoCheckResult]: Loop: 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-09 08:45:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1850454070, now seen corresponding path program 2 times [2021-11-09 08:45:08,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:08,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952138899] [2021-11-09 08:45:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:08,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:08,386 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:08,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433725219] [2021-11-09 08:45:08,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:45:08,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:08,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,391 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-09 08:45:08,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 08:45:08,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:45:08,466 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:08,522 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash -3710639, now seen corresponding path program 2 times [2021-11-09 08:45:08,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:08,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528974754] [2021-11-09 08:45:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:08,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:08,526 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:08,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063213909] [2021-11-09 08:45:08,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:45:08,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:08,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,542 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-09 08:45:08,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 08:45:08,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:45:08,669 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:08,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1316090746, now seen corresponding path program 3 times [2021-11-09 08:45:08,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:08,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981118500] [2021-11-09 08:45:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:08,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:08,713 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:08,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164897117] [2021-11-09 08:45:08,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 08:45:08,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:08,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:08,723 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:08,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-09 08:45:08,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-09 08:45:08,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 08:45:08,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:45:08,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:45:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-09 08:45:08,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:08,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981118500] [2021-11-09 08:45:08,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:45:08,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164897117] [2021-11-09 08:45:08,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164897117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:08,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:08,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:08,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294664126] [2021-11-09 08:45:17,227 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:45:17,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:45:17,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:45:17,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:45:17,227 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:45:17,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:17,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:45:17,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:45:17,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-09 08:45:17,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:45:17,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:45:17,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:45:31,666 WARN L207 SmtUtils]: Spent 12.24 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:45:40,757 WARN L207 SmtUtils]: Spent 9.09 s on a formula simplification that was a NOOP. DAG size: 49 [2021-11-09 08:45:40,758 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:45:40,758 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:45:40,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:40,759 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-09 08:45:40,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:45:40,760 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:45:40,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-09 08:45:40,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:40,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:40,790 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:40,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-09 08:45:40,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:45:40,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:45:40,805 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:45:40,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-09 08:45:40,827 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:45:40,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:45:40,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:45:40,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:45:40,828 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:45:40,828 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:40,828 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:45:40,828 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:45:40,828 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-09 08:45:40,828 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:45:40,828 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:45:40,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:45:55,584 WARN L207 SmtUtils]: Spent 11.98 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-09 08:45:57,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:45:57,580 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:45:57,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,581 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-09 08:45:57,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:57,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:45:57,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:45:57,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:57,614 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 08:45:57,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,615 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-09 08:45:57,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:57,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,624 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:57,627 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:57,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-09 08:45:57,650 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-09 08:45:57,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,651 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-09 08:45:57,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:57,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,661 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:57,663 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:57,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-09 08:45:57,687 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-09 08:45:57,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,689 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-09 08:45:57,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:45:57,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,700 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:57,708 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:57,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-09 08:45:57,742 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-09 08:45:57,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,743 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-09 08:45:57,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:57,753 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:57,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:45:57,756 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:45:57,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:57,810 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-09 08:45:57,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,811 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-09 08:45:57,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,826 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:57,826 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:45:57,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,827 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:57,830 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:57,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:57,890 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-09 08:45:57,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,895 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:57,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:57,910 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:57,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:57,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:57,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:57,910 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:45:57,917 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:45:57,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:57,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-09 08:45:57,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:57,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:57,987 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-09 08:45:57,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:57,991 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:57,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:58,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:58,005 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:45:58,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:58,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:58,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:58,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:45:58,009 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:45:58,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:58,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-09 08:45:58,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-09 08:45:58,061 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-09 08:45:58,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:45:58,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:58,062 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:58,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:45:58,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-09 08:45:58,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:45:58,075 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:45:58,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:45:58,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:45:58,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:45:58,075 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:45:58,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:45:58,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:45:58,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:45:58,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-09 08:45:58,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:58,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:58,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:58,111 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:45:58,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:58,498 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-11-09 08:45:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:58,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-11-09 08:45:58,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:45:58,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 19 transitions. [2021-11-09 08:45:58,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-09 08:45:58,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-09 08:45:58,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-11-09 08:45:58,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:45:58,502 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-09 08:45:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-11-09 08:45:58,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-09 08:45:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2021-11-09 08:45:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-09 08:45:58,505 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-09 08:45:58,505 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-09 08:45:58,506 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:45:58,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-11-09 08:45:58,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:45:58,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:45:58,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:45:58,507 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:45:58,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:45:58,507 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 182#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 188#L55-2 assume !false; 191#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 192#L47-2 assume !false; 194#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-09 08:45:58,507 INFO L793 eck$LassoCheckResult]: Loop: 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-09 08:45:58,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:58,508 INFO L85 PathProgramCache]: Analyzing trace with hash 922140976, now seen corresponding path program 1 times [2021-11-09 08:45:58,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:58,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264457375] [2021-11-09 08:45:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:58,513 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:58,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [473809850] [2021-11-09 08:45:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:58,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:58,515 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:58,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-09 08:45:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:58,544 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:58,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:58,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:58,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times [2021-11-09 08:45:58,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:58,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936059218] [2021-11-09 08:45:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:58,557 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:58,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253833010] [2021-11-09 08:45:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:58,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:58,565 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:58,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-09 08:45:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:58,590 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:58,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:58,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:58,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1414215893, now seen corresponding path program 2 times [2021-11-09 08:45:58,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:58,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701552244] [2021-11-09 08:45:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:58,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:58,600 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:45:58,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1923326738] [2021-11-09 08:45:58,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:45:58,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:45:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:58,614 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:45:58,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-09 08:45:59,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 08:45:59,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:45:59,467 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:59,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:12,805 WARN L207 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-11-09 08:46:15,119 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:46:15,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:46:15,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:46:15,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:46:15,119 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:46:15,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:15,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:46:15,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:46:15,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-09 08:46:15,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:46:15,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:46:15,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:15,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:16,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:16,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:48:58,287 WARN L207 SmtUtils]: Spent 2.70 m on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-11-09 08:50:16,714 WARN L207 SmtUtils]: Spent 1.29 m on a formula simplification that was a NOOP. DAG size: 57 [2021-11-09 08:50:16,987 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:50:16,987 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:50:16,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:50:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:50:16,988 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:50:16,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-09 08:50:16,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:50:16,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:50:17,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:50:17,000 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:50:17,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-09 08:50:17,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:50:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:50:17,022 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:50:17,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-09 08:50:17,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:50:17,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:50:17,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-09 08:50:17,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:50:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:50:17,065 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:50:17,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-09 08:50:17,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:50:17,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:50:17,106 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:50:17,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-09 08:50:17,141 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:50:17,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:50:17,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:50:17,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:50:17,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:50:17,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:50:17,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:50:17,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:50:17,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-09 08:50:17,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:50:17,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:50:17,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:50:17,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:50:17,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:50:17,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:51:51,777 WARN L207 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-11-09 08:52:29,418 WARN L207 SmtUtils]: Spent 37.25 s on a formula simplification that was a NOOP. DAG size: 57 [2021-11-09 08:52:29,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:52:29,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:52:29,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,531 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-09 08:52:29,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:52:29,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:52:29,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-09 08:52:29,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,570 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-09 08:52:29,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:52:29,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:52:29,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-09 08:52:29,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,599 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-09 08:52:29,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:52:29,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:52:29,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:29,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,642 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-09 08:52:29,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:52:29,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:52:29,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:52:29,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-09 08:52:29,685 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 08:52:29,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,686 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-09 08:52:29,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,695 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:29,695 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:29,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-09 08:52:29,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,717 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-09 08:52:29,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:29,727 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:29,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:29,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,749 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-09 08:52:29,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,757 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:29,758 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:29,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:29,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,789 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-09 08:52:29,790 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 [2021-11-09 08:52:29,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,798 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:29,826 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-09 08:52:29,826 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-09 08:52:29,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-09 08:52:29,865 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-09 08:52:29,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,866 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-09 08:52:29,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,875 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:29,875 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:29,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-09 08:52:29,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,896 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-09 08:52:29,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,906 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:29,906 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:29,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-09 08:52:29,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,927 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-09 08:52:29,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:29,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:29,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:29,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:29,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:29,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-09 08:52:29,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:29,958 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:29,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-09 08:52:29,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:29,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:29,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:29,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:29,969 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:29,980 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:52:29,980 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:52:29,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,018 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-09 08:52:30,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,019 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-09 08:52:30,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:30,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,028 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,028 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,049 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-09 08:52:30,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:30,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,058 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,058 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,119 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:30,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,143 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-09 08:52:30,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,182 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-09 08:52:30,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:52:30,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,192 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,204 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-09 08:52:30,204 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-09 08:52:30,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,246 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-09 08:52:30,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,247 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-09 08:52:30,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,255 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,256 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:30,256 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:30,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-09 08:52:30,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,278 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-09 08:52:30,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,287 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,287 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:30,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:30,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,309 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-09 08:52:30,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,317 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,318 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:30,318 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:52:30,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-09 08:52:30,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,340 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-09 08:52:30,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,348 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,349 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:52:30,357 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-09 08:52:30,357 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-09 08:52:30,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,402 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-09 08:52:30,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,402 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-09 08:52:30,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,411 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:52:30,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,412 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:30,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-09 08:52:30,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,473 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-09 08:52:30,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,481 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,481 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:52:30,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,482 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:30,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,505 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-09 08:52:30,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,514 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:52:30,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,514 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,515 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:30,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-09 08:52:30,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,539 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-09 08:52:30,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,548 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-09 08:52:30,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,562 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:52:30,562 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:52:30,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,611 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-09 08:52:30,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,611 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-09 08:52:30,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,620 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,620 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:30,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,620 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,632 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,691 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,703 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:30,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,703 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,705 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-09 08:52:30,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,755 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:30,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,767 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,768 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-09 08:52:30,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-09 08:52:30,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:30,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,815 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-09 08:52:30,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,827 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:30,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,828 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-09 08:52:30,845 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-09 08:52:30,845 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-09 08:52:30,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-09 08:52:30,953 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-09 08:52:30,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,954 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-09 08:52:30,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,963 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,963 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,963 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,964 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:30,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:30,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:30,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-09 08:52:30,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:30,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:30,985 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:30,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-09 08:52:30,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:30,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:30,994 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:30,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:30,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:30,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:30,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:30,995 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:30,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:31,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:31,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,043 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-09 08:52:31,044 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 [2021-11-09 08:52:31,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,051 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:31,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:31,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,051 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:31,052 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-09 08:52:31,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:31,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-09 08:52:31,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,073 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-09 08:52:31,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:31,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,082 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-09 08:52:31,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,082 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-09 08:52:31,094 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-09 08:52:31,094 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 08:52:31,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:31,142 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-09 08:52:31,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,143 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-09 08:52:31,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:31,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,151 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:31,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:31,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,151 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:52:31,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:52:31,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:31,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:31,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,174 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-09 08:52:31,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:31,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:31,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:31,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,183 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:52:31,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:52:31,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:31,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-09 08:52:31,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,206 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-09 08:52:31,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:31,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,215 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:31,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:52:31,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,215 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:52:31,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:52:31,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:52:31,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-09 08:52:31,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:52:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,238 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-09 08:52:31,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:52:31,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-09 08:52:31,247 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-09 08:52:31,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:52:31,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:52:31,247 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-09 08:52:31,274 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-09 08:52:31,274 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-09 08:52:31,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:52:31,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-09 08:52:31,351 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-09 08:52:31,351 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 182#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 188#L55-2 assume !false; 191#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 192#L47-2 assume !false; 194#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-09 08:52:31,352 INFO L793 eck$LassoCheckResult]: Loop: 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-09 08:52:31,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:52:31,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1414215893, now seen corresponding path program 3 times [2021-11-09 08:52:31,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:52:31,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879941298] [2021-11-09 08:52:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:31,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:52:31,358 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:52:31,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986671616] [2021-11-09 08:52:31,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 08:52:31,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:52:31,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:31,360 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:52:31,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2021-11-09 08:52:32,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-09 08:52:32,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:52:32,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:52:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:52:32,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:52:32,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:52:32,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times [2021-11-09 08:52:32,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:52:32,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273140839] [2021-11-09 08:52:32,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:32,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:52:32,593 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:52:32,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398448658] [2021-11-09 08:52:32,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:52:32,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:52:32,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:32,604 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:52:32,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2021-11-09 08:52:32,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-09 08:52:32,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:52:32,631 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:52:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:52:32,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:52:32,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:52:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1851808570, now seen corresponding path program 4 times [2021-11-09 08:52:32,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:52:32,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893885407] [2021-11-09 08:52:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:52:32,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:52:32,645 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:52:32,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217017307] [2021-11-09 08:52:32,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 08:52:32,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:52:32,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:52:32,652 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:52:32,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca99fbc6-144c-4dea-ae11-d2b8ca103d3e/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-11-09 08:52:33,885 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 08:52:33,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:52:33,886 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:52:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:52:34,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:53:01,706 WARN L207 SmtUtils]: Spent 27.10 s on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2021-11-09 08:53:09,236 WARN L207 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-09 08:53:16,384 WARN L207 SmtUtils]: Spent 7.15 s on a formula simplification that was a NOOP. DAG size: 39 [2021-11-09 08:53:16,386 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:53:16,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:53:16,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:53:16,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:53:16,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:53:16,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:53:16,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:53:16,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:53:16,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-09 08:53:16,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:53:16,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:53:16,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:53:16,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:53:38,067 WARN L207 SmtUtils]: Spent 21.67 s on a formula simplification that was a NOOP. DAG size: 42 [2021-11-09 08:53:38,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:53:38,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true