./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:15:28,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:15:28,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:15:28,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:15:28,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:15:28,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:15:28,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:15:28,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:15:28,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:15:28,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:15:28,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:15:28,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:15:28,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:15:28,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:15:28,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:15:28,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:15:28,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:15:28,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:15:28,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:15:28,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:15:28,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:15:28,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:15:28,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:15:28,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:15:28,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:15:28,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:15:28,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:15:28,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:15:28,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:15:28,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:15:28,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:15:28,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:15:28,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:15:28,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:15:28,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:15:28,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:15:28,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:15:28,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:15:28,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:15:28,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:15:28,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:15:28,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:15:28,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:15:28,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:15:28,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:15:28,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:15:28,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:15:28,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:15:28,466 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:15:28,466 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:15:28,466 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:15:28,467 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:15:28,468 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:15:28,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:15:28,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:15:28,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:15:28,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:15:28,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:15:28,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:15:28,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:15:28,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:15:28,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:15:28,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:15:28,471 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:15:28,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:15:28,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:15:28,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:15:28,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:15:28,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:15:28,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:15:28,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:15:28,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:15:28,476 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_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 [2021-10-28 09:15:28,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:15:28,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:15:28,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:15:28,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:15:28,802 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:15:28,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 09:15:28,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/data/1e6924207/8a054eaa85a542a3a9010a2a0495a925/FLAGdb893790d [2021-10-28 09:15:29,315 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:15:29,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 09:15:29,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/data/1e6924207/8a054eaa85a542a3a9010a2a0495a925/FLAGdb893790d [2021-10-28 09:15:29,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/data/1e6924207/8a054eaa85a542a3a9010a2a0495a925 [2021-10-28 09:15:29,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:15:29,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:15:29,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:29,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:15:29,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:15:29,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6133cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29, skipping insertion in model container [2021-10-28 09:15:29,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:15:29,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:15:29,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:29,885 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:15:29,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:29,925 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:15:29,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29 WrapperNode [2021-10-28 09:15:29,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:29,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:15:29,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:15:29,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:15:29,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:15:29,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:15:29,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:15:29,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:15:29,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:15:29,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:15:29,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:15:29,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:15:29,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (1/1) ... [2021-10-28 09:15:29,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:29,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:30,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:30,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:15:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:15:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:15:30,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:15:30,228 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:15:30,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:30 BoogieIcfgContainer [2021-10-28 09:15:30,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:15:30,233 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:15:30,233 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:15:30,237 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:15:30,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:30,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:15:29" (1/3) ... [2021-10-28 09:15:30,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1831c73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:15:30, skipping insertion in model container [2021-10-28 09:15:30,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:30,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:29" (2/3) ... [2021-10-28 09:15:30,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1831c73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:15:30, skipping insertion in model container [2021-10-28 09:15:30,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:30,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:30" (3/3) ... [2021-10-28 09:15:30,246 INFO L389 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 09:15:30,312 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:15:30,312 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:15:30,312 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:15:30,312 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:15:30,312 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:15:30,313 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:15:30,313 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:15:30,313 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:15:30,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:15:30,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:15:30,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:15:30,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:15:30,357 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:15:30,357 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:15:30,357 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:15:30,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:15:30,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:15:30,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:15:30,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:15:30,359 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:15:30,359 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:15:30,367 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-2true [2021-10-28 09:15:30,367 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-28 09:15:30,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:30,373 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:15:30,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:30,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894831818] [2021-10-28 09:15:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:30,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,463 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:30,486 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 09:15:30,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:30,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610466635] [2021-10-28 09:15:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:30,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 09:15:30,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:30,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847557448] [2021-10-28 09:15:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:30,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,526 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:30,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:30,719 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:15:30,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:15:30,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:15:30,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:15:30,720 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:15:30,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:30,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:15:30,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:15:30,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 09:15:30,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:15:30,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:15:30,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:30,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:30,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:31,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:15:31,219 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:15:31,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:31,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:31,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:31,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:15:31,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:31,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:15:31,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:15:31,256 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:15:31,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:15:31,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:31,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:31,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:15:31,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:15:31,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:31,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:31,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:31,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:31,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:15:31,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:31,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:15:31,528 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:15:31,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:31,547 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:15:31,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:15:31,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:15:31,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:15:31,547 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:15:31,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:31,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:15:31,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:15:31,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 09:15:31,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:15:31,548 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:15:31,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:31,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:31,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:31,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:15:31,984 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:15:31,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:31,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,013 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:32,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:32,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:15:32,065 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-28 09:15:32,066 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 09:15:32,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:32,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:32,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:15:32,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:15:32,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:32,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:32,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,300 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:15:32,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,324 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:32,324 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:32,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:15:32,393 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 09:15:32,393 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 09:15:32,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 09:15:32,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,488 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:15:32,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,503 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:32,504 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:32,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:15:32,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:32,558 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:32,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,617 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:15:32,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,620 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,642 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:32,642 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:32,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:15:32,702 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:32,702 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:32,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,829 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,851 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:32,851 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:32,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:15:32,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,909 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:32,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:32,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:32,926 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:32,927 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:32,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:32,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:15:32,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:32,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:32,982 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:15:32,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:32,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:32,983 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:32,989 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 [2021-10-28 09:15:32,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:32,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:32,999 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:32,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:33,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:15:33,057 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 09:15:33,057 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 09:15:33,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,206 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:33,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:33,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:33,221 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:33,223 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:33,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:33,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:15:33,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,331 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:15:33,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:33,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:33,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:33,343 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:33,344 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:33,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:33,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,387 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:15:33,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:15:33,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:33,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:33,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,408 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:33,408 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:33,448 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 09:15:33,448 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 09:15:33,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,545 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:15:33,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,562 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:33,562 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:33,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:33,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:33,562 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:33,563 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:33,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:33,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,601 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:15:33,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:33,614 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:33,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:33,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:33,614 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:33,615 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:33,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:33,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,652 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:15:33,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,653 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:15:33,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:33,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:33,667 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:33,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:33,667 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:33,667 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:33,713 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:33,713 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:33,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:33,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:33,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:33,983 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:15:33,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,005 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,005 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:34,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,006 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:34,007 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:34,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,063 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,076 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:34,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,076 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:34,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:34,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:15:34,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,136 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:15:34,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,140 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,145 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 [2021-10-28 09:15:34,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,157 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:34,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,157 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:34,157 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:34,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:15:34,239 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 09:15:34,240 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 09:15:34,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,436 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,439 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 [2021-10-28 09:15:34,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,450 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:34,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,450 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:34,452 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:34,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:15:34,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,503 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,519 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:34,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:34,521 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:34,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:15:34,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,569 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:15:34,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,572 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,583 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:34,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,584 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:34,584 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:34,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:15:34,626 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:34,626 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:34,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:15:34,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,765 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:15:34,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,774 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:34,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,775 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:34,776 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:34,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,833 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:15:34,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,845 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:34,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:34,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:34,845 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:34,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:34,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:34,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:34,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:34,898 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:15:34,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:34,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:34,904 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:34,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:34,918 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:34,918 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:34,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:34,919 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:34,919 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:34,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:15:34,978 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-28 09:15:34,979 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-28 09:15:35,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:35,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:35,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:35,170 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:35,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:35,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:35,182 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:35,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:35,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:35,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:35,183 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:35,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:35,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:35,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:15:35,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:35,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:35,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:35,237 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:35,239 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 [2021-10-28 09:15:35,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:35,249 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:35,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:35,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:35,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:35,249 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:35,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:35,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:35,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:15:35,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:35,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:35,304 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-28 09:15:35,304 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-28 09:15:35,304 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-28 09:15:35,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2021-10-28 09:15:35,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:35,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700859156] [2021-10-28 09:15:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:35,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,318 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2021-10-28 09:15:35,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:35,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100316281] [2021-10-28 09:15:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:35,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,349 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:35,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2021-10-28 09:15:35,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:35,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391678526] [2021-10-28 09:15:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:35,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,391 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:35,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:35,527 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:15:35,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:15:35,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:15:35,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:15:35,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:15:35,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:15:35,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:15:35,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 09:15:35,528 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:15:35,528 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:15:35,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:35,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:35,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:35,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:15:35,834 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:15:35,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:35,835 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:35,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:15:35,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:15:35,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:35,859 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:15:35,860 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: [] [2021-10-28 09:15:35,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:35,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:35,889 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:35,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:15:35,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:15:35,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:35,912 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:15:35,912 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:15:35,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:35,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:35,950 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:35,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:15:35,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:35,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:15:36,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,022 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:15:36,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:15:36,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:15:36,217 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:15:36,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,221 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:15:36,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:15:36,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:15:36,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:15:36,221 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:15:36,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:15:36,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:15:36,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 09:15:36,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:15:36,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:15:36,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:36,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:36,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:36,543 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:15:36,543 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:15:36,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,548 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:36,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:36,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:36,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:36,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:36,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:15:36,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:36,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 09:15:36,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,596 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:15:36,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:36,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:36,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:36,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:36,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:36,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:36,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,653 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:15:36,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,662 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:36,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:36,683 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-28 09:15:36,683 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 09:15:36,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:36,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,768 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:15:36,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,770 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:36,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:36,787 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:36,787 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:36,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:36,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:15:36,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:36,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,844 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:36,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:36,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:36,860 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:36,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:36,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:15:36,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:36,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:36,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:36,909 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:36,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:36,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:36,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:36,920 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:36,920 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:36,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:15:36,952 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 09:15:36,952 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 09:15:37,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,050 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:15:37,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,052 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,055 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 [2021-10-28 09:15:37,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,066 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:37,067 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:37,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:15:37,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,116 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:37,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:37,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:15:37,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,180 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,194 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:37,194 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:37,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:15:37,235 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:37,235 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:37,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,353 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:15:37,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,354 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,370 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:37,371 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:37,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:15:37,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,417 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,431 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:15:37,431 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:37,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,490 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:37,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,504 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:37,505 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:37,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:15:37,552 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 09:15:37,552 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 09:15:37,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:15:37,667 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:15:37,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,668 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:15:37,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:37,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:37,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:37,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:37,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,701 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:15:37,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:37,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,710 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:37,711 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:15:37,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:15:37,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,734 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:15:37,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:37,745 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:37,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,745 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:37,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:15:37,776 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 09:15:37,776 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 09:15:37,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,885 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:15:37,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,886 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:15:37,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:37,895 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:37,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,895 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:37,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:37,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:15:37,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:37,928 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:37,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:15:37,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:37,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:37,939 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:37,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:37,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:37,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:37,939 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:37,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:37,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:37,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:37,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:37,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:37,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,000 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,014 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:15:38,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,014 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:38,014 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:38,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:15:38,053 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:38,053 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:38,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:38,206 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:15:38,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,207 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,223 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,223 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:38,224 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:38,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:15:38,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 09:15:38,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,263 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:15:38,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,273 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:38,274 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:15:38,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:15:38,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,299 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:15:38,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,308 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,308 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,308 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:38,308 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:15:38,356 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 09:15:38,356 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 09:15:38,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:15:38,509 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:15:38,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,510 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:15:38,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,518 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:38,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:38,519 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:38,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:15:38,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,541 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:15:38,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,550 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:38,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,550 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:38,551 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:15:38,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:38,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,573 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:15:38,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,583 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:15:38,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,583 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:38,583 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:15:38,620 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 09:15:38,620 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 09:15:38,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:38,746 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:15:38,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,747 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:15:38,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,759 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,759 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:38,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:38,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:15:38,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,783 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:15:38,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,792 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,792 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:38,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:38,793 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:38,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:38,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:38,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:38,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:15:38,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:38,839 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:38,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:15:38,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:15:38,848 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:15:38,848 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:15:38,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:38,849 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 09:15:38,849 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:15:38,953 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-28 09:15:38,954 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-28 09:15:39,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:39,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:39,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:15:39 BoogieIcfgContainer [2021-10-28 09:15:39,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:15:39,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:15:39,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:15:39,216 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:15:39,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:30" (3/4) ... [2021-10-28 09:15:39,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:15:39,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:15:39,221 INFO L168 Benchmark]: Toolchain (without parser) took 9499.08 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 72.9 MB in the beginning and 95.2 MB in the end (delta: -22.4 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:39,221 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory is still 89.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:39,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.07 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 90.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:39,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.60 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:39,222 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 115.3 MB. Free memory was 89.0 MB in the beginning and 87.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:39,223 INFO L168 Benchmark]: RCFGBuilder took 255.42 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 80.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:39,223 INFO L168 Benchmark]: BuchiAutomizer took 8981.88 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 80.4 MB in the beginning and 95.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:39,223 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 140.5 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:39,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 115.3 MB. Free memory is still 89.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 204.07 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 90.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.60 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 115.3 MB. Free memory was 89.0 MB in the beginning and 87.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 255.42 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 80.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8981.88 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 80.4 MB in the beginning and 95.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.02 ms. Allocated memory is still 140.5 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital63 mio100 ax100 hnf100 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp89 dnf264 smp58 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 350ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-10-28 09:15:39,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b07223-17e2-4caf-bca0-d00db680f936/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...