./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_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/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_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD --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_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/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 23:51:32,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:32,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:32,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:32,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:32,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:32,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:32,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:32,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:32,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:32,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:32,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:32,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:32,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:32,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:32,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:32,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:32,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:32,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:32,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:32,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:32,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:32,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:32,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:32,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:32,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:32,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:32,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:32,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:32,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:32,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:32,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:32,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:32,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:32,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:32,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:32,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:32,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:32,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:32,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:32,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:32,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:51:32,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:32,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:32,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:32,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:32,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:32,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:32,368 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:32,369 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:51:32,369 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:51:32,369 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:51:32,370 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:51:32,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:51:32,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:51:32,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:32,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:51:32,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:32,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:32,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:51:32,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:51:32,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:51:32,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:32,373 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:51:32,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:32,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:51:32,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:32,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:32,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:32,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:32,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:32,379 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:51:32,379 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_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 [2021-10-28 23:51:32,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:32,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:32,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:32,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:32,756 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:32,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 23:51:32,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/data/d920e62a3/a5e1545e65f74e1a8502a8f53f491d0d/FLAG0cdb8405b [2021-10-28 23:51:33,363 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:33,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 23:51:33,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/data/d920e62a3/a5e1545e65f74e1a8502a8f53f491d0d/FLAG0cdb8405b [2021-10-28 23:51:33,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/data/d920e62a3/a5e1545e65f74e1a8502a8f53f491d0d [2021-10-28 23:51:33,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:33,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:33,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:33,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:33,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:33,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:33" (1/1) ... [2021-10-28 23:51:33,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67070457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:33, skipping insertion in model container [2021-10-28 23:51:33,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:33" (1/1) ... [2021-10-28 23:51:33,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:33,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:34,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:34,086 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:34,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:34,131 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:34,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34 WrapperNode [2021-10-28 23:51:34,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:34,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:34,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:34,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:34,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:34,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:34,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:34,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:34,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:34,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:34,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:34,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:34,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (1/1) ... [2021-10-28 23:51:34,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:34,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:34,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:34,474 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:34,475 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:51:34,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34 BoogieIcfgContainer [2021-10-28 23:51:34,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:34,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:51:34,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:51:34,486 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:51:34,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:51:34,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:51:33" (1/3) ... [2021-10-28 23:51:34,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396e62eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:51:34, skipping insertion in model container [2021-10-28 23:51:34,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:51:34,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:34" (2/3) ... [2021-10-28 23:51:34,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396e62eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:51:34, skipping insertion in model container [2021-10-28 23:51:34,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:51:34,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34" (3/3) ... [2021-10-28 23:51:34,495 INFO L389 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-28 23:51:34,569 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:51:34,569 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:51:34,569 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:51:34,569 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:51:34,569 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:51:34,569 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:51:34,570 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:51:34,570 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:51:34,590 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 23:51:34,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:51:34,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:51:34,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:51:34,621 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:51:34,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:51:34,622 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:51:34,622 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 23:51:34,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:51:34,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:51:34,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:51:34,623 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:51:34,624 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:51:34,632 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 23:51:34,632 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 23:51:34,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:34,644 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 23:51:34,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:34,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397212513] [2021-10-28 23:51:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:34,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,759 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 23:51:34,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:34,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227737522] [2021-10-28 23:51:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:34,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,830 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:34,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:34,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 23:51:34,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:34,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001907072] [2021-10-28 23:51:34,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:34,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,892 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:34,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:35,143 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:51:35,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:51:35,144 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:51:35,144 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:51:35,144 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:51:35,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:35,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:51:35,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:51:35,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 23:51:35,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:51:35,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:51:35,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:51:35,189 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 23:51:35,350 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 23:51:35,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:51:35,888 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:51:35,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:35,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:35,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:51:35,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:35,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:51:35,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:51:35,939 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 23:51:35,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:35,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:35,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:35,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:35,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:51:35,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:36,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:51:36,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:36,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:36,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:36,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:51:36,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:36,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:51:36,235 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:51:36,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:36,245 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:51:36,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:51:36,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:51:36,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:51:36,246 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:51:36,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:36,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:51:36,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:51:36,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 23:51:36,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:51:36,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:51:36,250 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 23:51:36,334 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 23:51:36,338 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 23:51:36,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:51:36,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:51:36,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:36,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:36,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:36,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:36,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:36,724 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:36,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:51:36,778 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-28 23:51:36,778 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 23:51:36,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:36,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:36,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:36,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:36,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:36,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:36,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:36,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:36,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:36,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:36,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:36,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:51:36,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:36,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:51:36,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:36,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 23:51:36,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:36,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:36,989 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:36,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:51:36,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:37,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:37,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:37,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:37,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:51:37,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:37,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,073 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:51:37,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:37,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,094 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:37,094 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:37,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:51:37,148 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 23:51:37,149 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 23:51:37,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,287 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:37,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:37,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:37,306 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:37,308 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:37,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:37,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:51:37,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,379 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:51:37,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:37,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:37,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:37,399 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:37,399 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:37,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:37,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,455 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:51:37,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,459 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:51:37,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:37,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,471 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:37,471 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:37,548 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:37,549 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:37,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,742 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:37,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:37,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:37,768 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:37,769 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:37,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:37,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:51:37,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,826 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:51:37,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:37,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:37,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:37,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:37,854 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:37,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:37,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:37,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:37,922 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:51:37,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:37,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:37,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:37,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:37,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:37,954 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:37,955 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:37,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:51:38,062 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 23:51:38,063 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 23:51:38,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,243 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:51:38,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:38,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:38,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:38,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:38,255 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:38,256 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:38,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:38,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,292 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:51:38,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:38,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:38,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:38,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:38,307 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:38,310 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:38,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:38,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,363 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:51:38,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,364 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:51:38,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:38,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:38,381 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:38,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,381 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:38,381 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:38,436 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 23:51:38,436 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 23:51:38,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,562 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:51:38,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:38,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:38,584 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:38,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:38,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:38,584 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:38,586 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:38,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:38,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,651 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:38,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:38,670 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:38,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:38,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:38,670 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:38,672 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:38,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:38,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:51:38,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:38,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:38,732 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:51:38,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:38,735 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:38,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:38,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:38,759 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:38,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:38,759 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:38,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:51:38,856 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:38,857 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:39,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:51:39,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:39,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,183 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:39,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:39,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:39,184 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:39,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:39,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:39,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,258 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:39,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,276 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:39,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:39,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:39,276 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:39,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:39,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:39,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:51:39,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,330 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:51:39,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,332 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:51:39,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:39,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:39,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,351 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:39,351 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:39,423 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 23:51:39,424 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 23:51:39,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,661 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:39,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:39,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:39,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:39,681 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:39,683 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:39,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:39,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:51:39,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,748 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:39,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:51:39,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,763 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:39,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:39,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:39,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:39,765 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:39,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:39,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:39,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:39,832 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:51:39,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:39,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:39,835 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:39,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:39,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:39,850 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:39,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:39,850 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:39,850 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:39,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:51:39,903 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:39,904 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:40,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:40,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:40,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:40,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:40,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:40,102 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:40,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:40,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:40,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:40,102 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:40,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:40,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:40,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:51:40,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:40,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:40,163 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:40,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:40,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:40,180 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:40,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:40,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:40,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:40,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:40,184 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:40,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:40,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:51:40,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 23:51:40,237 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:51:40,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:40,238 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:40,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:51:40,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:40,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:40,252 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:40,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:40,253 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:40,253 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:40,334 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-28 23:51:40,334 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-28 23:51:40,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:40,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:40,577 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:40,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:40,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:40,595 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:40,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:40,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:40,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:40,596 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:40,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:51:40,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:40,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:51:40,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:40,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:40,659 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:40,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:40,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:40,673 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:40,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:40,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:40,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:40,673 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:40,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:51:40,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:40,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:51:40,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:40,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:40,736 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-28 23:51:40,736 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 23:51:40,737 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 23:51:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2021-10-28 23:51:40,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607492339] [2021-10-28 23:51:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2021-10-28 23:51:40,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079313429] [2021-10-28 23:51:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,766 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:40,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:40,773 INFO L85 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2021-10-28 23:51:40,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:40,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851668286] [2021-10-28 23:51:40,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:40,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,791 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:40,808 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:40,943 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:51:40,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:51:40,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:51:40,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:51:40,944 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:51:40,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:40,945 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:51:40,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:51:40,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 23:51:40,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:51:40,945 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:51:40,947 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 23:51:40,950 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 23:51:40,952 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 23:51:41,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:51:41,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:51:41,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:41,340 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:51:41,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:51:41,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:51:41,367 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 23:51:41,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:41,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:41,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:41,418 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:51:41,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:41,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:51:41,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:51:41,455 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 23:51:41,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:41,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:41,505 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:51:41,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:51:41,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:41,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:41,582 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:41,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:51:41,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:51:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:51:41,844 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:51:41,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:41,848 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:51:41,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:51:41,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:51:41,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:51:41,848 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:51:41,848 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:41,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:51:41,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:51:41,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-28 23:51:41,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:51:41,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:51:41,851 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 23:51:41,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:51:41,875 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 23:51:42,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:51:42,265 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:51:42,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,271 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:42,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:42,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:42,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:42,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:51:42,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:42,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:51:42,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,344 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:42,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:42,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:42,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:42,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:51:42,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:42,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:51:42,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,428 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:42,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,443 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:42,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:51:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:51:42,475 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-28 23:51:42,475 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 23:51:42,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,587 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:51:42,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,591 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:51:42,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:42,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:42,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:42,603 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:42,604 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:42,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:42,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,650 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:51:42,655 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 23:51:42,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:42,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:42,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:42,666 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:42,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:42,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,742 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:42,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,760 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:42,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:42,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:51:42,802 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 23:51:42,802 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 23:51:42,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:42,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,927 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:51:42,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:42,928 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:42,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:51:42,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:42,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:42,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:42,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:42,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:42,946 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:42,947 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:42,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:42,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,015 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:43,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:43,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:43,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:43,036 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:43,037 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:43,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:43,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:51:43,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,103 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:43,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:43,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,118 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:43,118 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:43,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:51:43,174 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:43,175 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:43,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,319 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:51:43,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,321 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:43,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:43,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:43,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:43,339 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:43,340 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:43,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:43,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:51:43,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,405 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:43,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:43,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:43,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:43,424 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:43,425 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:43,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:43,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:51:43,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,485 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:43,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:51:43,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,500 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:43,500 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:43,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:51:43,611 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 23:51:43,611 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 23:51:43,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,779 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:51:43,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,780 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:51:43,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:43,791 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:43,791 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:43,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:43,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:43,792 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:43,792 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:43,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:43,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:43,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,824 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:51:43,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:43,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:43,835 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:43,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:43,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:43,836 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:43,837 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:51:43,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:43,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:43,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 23:51:43,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:43,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,868 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:51:43,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:43,881 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:43,882 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:43,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:43,882 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:43,882 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:51:43,926 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-28 23:51:43,926 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-28 23:51:44,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 23:51:44,078 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:51:44,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,079 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:51:44,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,092 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:44,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:44,107 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:44,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,167 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,183 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:44,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,184 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:44,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:44,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 23:51:44,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,242 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 23:51:44,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,256 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:51:44,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,256 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:44,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:44,316 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:44,316 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:44,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,507 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:51:44,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,508 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 23:51:44,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,519 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:44,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:44,521 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:44,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 23:51:44,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,555 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 23:51:44,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:44,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,566 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:44,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:51:44,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,601 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 23:51:44,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,613 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:44,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,613 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:44,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:51:44,676 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-28 23:51:44,676 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-28 23:51:44,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,902 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:51:44,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,905 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 23:51:44,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,916 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:44,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:44,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:44,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,946 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:44,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 23:51:44,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:44,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:44,958 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:44,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:44,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:44,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:44,958 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:44,959 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:51:44,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:44,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:44,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:44,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:44,988 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 23:51:45,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:45,025 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:45,026 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:51:45,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:45,026 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:45,026 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:51:45,070 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-28 23:51:45,071 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-28 23:51:45,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:45,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 23:51:45,229 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:51:45,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:45,230 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 23:51:45,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:45,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:45,241 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:45,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:45,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:45,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:45,241 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:45,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:51:45,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:45,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:45,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:45,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:45,271 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:45,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 23:51:45,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 23:51:45,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:45,283 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:45,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:51:45,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:45,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:51:45,284 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:45,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:51:45,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:51:45,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:45,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 23:51:45,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:51:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:45,313 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:45,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 23:51:45,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:51:45,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:51:45,325 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:51:45,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:51:45,326 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-28 23:51:45,326 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:51:45,420 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-28 23:51:45,420 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-28 23:51:45,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:51:45,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:45,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:51:45 BoogieIcfgContainer [2021-10-28 23:51:45,738 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:51:45,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:45,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:45,739 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:45,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:34" (3/4) ... [2021-10-28 23:51:45,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:51:45,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:45,744 INFO L168 Benchmark]: Toolchain (without parser) took 11999.23 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 57.4 MB in the beginning and 75.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:45,744 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:45,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.56 ms. Allocated memory is still 98.6 MB. Free memory was 57.2 MB in the beginning and 74.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:45,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.36 ms. Allocated memory is still 98.6 MB. Free memory was 74.9 MB in the beginning and 73.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:45,746 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 72.8 MB in the end (delta: 910.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:45,746 INFO L168 Benchmark]: RCFGBuilder took 276.05 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 65.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:45,747 INFO L168 Benchmark]: BuchiAutomizer took 11256.95 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 65.2 MB in the beginning and 75.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:45,747 INFO L168 Benchmark]: Witness Printer took 3.38 ms. Allocated memory is still 144.7 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:45,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.56 ms. Allocated memory is still 98.6 MB. Free memory was 57.2 MB in the beginning and 74.9 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.36 ms. Allocated memory is still 98.6 MB. Free memory was 74.9 MB in the beginning and 73.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.87 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 72.8 MB in the end (delta: 910.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 276.05 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 65.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11256.95 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 65.2 MB in the beginning and 75.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.38 ms. Allocated memory is still 144.7 MB. Free memory is still 75.1 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 11.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 11.1s. 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: 395ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - 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 23:51:45,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d13422-8abd-45b9-b50a-1654a6d56801/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...