./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09318cf675e9b95108fb52b17fe9685be47734cc0094cd07befb1b0aea734d9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:41:31,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:41:31,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:41:31,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:41:31,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:41:31,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:41:31,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:41:31,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:41:31,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:41:31,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:41:31,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:41:31,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:41:31,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:41:31,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:41:31,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:41:31,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:41:31,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:41:31,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:41:31,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:41:31,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:41:31,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:41:31,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:41:31,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:41:31,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:41:31,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:41:31,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:41:31,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:41:31,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:41:31,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:41:31,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:41:31,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:41:31,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:41:31,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:41:31,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:41:31,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:41:31,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:41:31,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:41:31,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:41:31,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:41:31,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:41:31,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:41:31,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:41:31,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:41:31,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:41:31,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:41:31,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:41:31,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:41:31,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:41:31,749 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:41:31,749 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:41:31,749 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:41:31,749 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:41:31,750 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:41:31,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:41:31,750 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:41:31,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:41:31,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:41:31,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:41:31,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:41:31,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:41:31,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:41:31,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:41:31,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:41:31,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:41:31,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:41:31,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:41:31,753 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:41:31,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:41:31,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:41:31,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:41:31,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:41:31,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:41:31,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:41:31,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:41:31,756 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:41:31,757 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_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09318cf675e9b95108fb52b17fe9685be47734cc0094cd07befb1b0aea734d9d [2021-11-07 07:41:32,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:41:32,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:41:32,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:41:32,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:41:32,109 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:41:32,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-nla/hard2-both-t.c [2021-11-07 07:41:32,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/data/f20efec1f/1afe9bcb822345e0b3aa1bd4e54b29ab/FLAG7c1fe9c51 [2021-11-07 07:41:32,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:41:32,715 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/sv-benchmarks/c/termination-nla/hard2-both-t.c [2021-11-07 07:41:32,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/data/f20efec1f/1afe9bcb822345e0b3aa1bd4e54b29ab/FLAG7c1fe9c51 [2021-11-07 07:41:33,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/data/f20efec1f/1afe9bcb822345e0b3aa1bd4e54b29ab [2021-11-07 07:41:33,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:41:33,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:41:33,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:41:33,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:41:33,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:41:33,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30387556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33, skipping insertion in model container [2021-11-07 07:41:33,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:41:33,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:41:33,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:41:33,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:41:33,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:41:33,329 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:41:33,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33 WrapperNode [2021-11-07 07:41:33,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:41:33,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:41:33,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:41:33,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:41:33,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:41:33,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:41:33,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:41:33,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:41:33,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:41:33,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:41:33,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:41:33,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:41:33,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (1/1) ... [2021-11-07 07:41:33,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:33,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:33,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:33,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:41:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:41:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:41:33,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:41:33,676 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 07:41:33,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:33 BoogieIcfgContainer [2021-11-07 07:41:33,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:41:33,680 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:41:33,680 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:41:33,684 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:41:33,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:41:33,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:41:33" (1/3) ... [2021-11-07 07:41:33,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0e7e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:41:33, skipping insertion in model container [2021-11-07 07:41:33,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:41:33,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:33" (2/3) ... [2021-11-07 07:41:33,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0e7e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:41:33, skipping insertion in model container [2021-11-07 07:41:33,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:41:33,689 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:33" (3/3) ... [2021-11-07 07:41:33,690 INFO L389 chiAutomizerObserver]: Analyzing ICFG hard2-both-t.c [2021-11-07 07:41:33,742 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:41:33,742 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:41:33,743 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:41:33,743 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:41:33,743 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:41:33,743 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:41:33,744 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:41:33,744 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:41:33,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:33,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-07 07:41:33,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:41:33,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:41:33,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 07:41:33,789 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:41:33,789 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:41:33,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:41:33,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-07 07:41:33,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:41:33,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:41:33,792 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 07:41:33,792 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:41:33,800 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~A~0, main_~B~0, main_~r~0, main_~d~0, main_~p~0, main_~q~0;havoc main_~A~0;havoc main_~B~0;havoc main_~r~0;havoc main_~d~0;havoc main_~p~0;havoc main_~q~0;main_~A~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~B~0 := 1;main_~r~0 := main_~A~0;main_~d~0 := main_~B~0;main_~p~0 := 1;main_~q~0 := 0; 10#L33-2true [2021-11-07 07:41:33,801 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 11#L37true assume !!(main_~B~0 * main_~p~0 - main_~d~0 + main_~r~0 >= main_~d~0);main_~d~0 := 2 * main_~d~0;main_~p~0 := 2 * main_~p~0; 10#L33-2true [2021-11-07 07:41:33,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:41:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-11-07 07:41:33,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:41:33,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763041851] [2021-11-07 07:41:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:41:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:33,914 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:41:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:33,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:41:33,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:41:33,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-11-07 07:41:33,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:41:33,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475093667] [2021-11-07 07:41:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:33,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:41:33,951 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:41:33,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260042370] [2021-11-07 07:41:33,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:33,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:41:33,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:33,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:41:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 07:41:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:33,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:41:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:34,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:41:34,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:41:34,012 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-11-07 07:41:34,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:41:34,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123739465] [2021-11-07 07:41:34,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:34,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:41:34,020 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:41:34,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374077652] [2021-11-07 07:41:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:41:34,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:41:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:34,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:41:34,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 07:41:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:34,154 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:41:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:41:34,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:41:34,446 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:41:34,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:41:34,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:41:34,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:41:34,448 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:41:34,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:34,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:41:34,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:41:34,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-07 07:41:34,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:41:34,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:41:34,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:34,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:34,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:34,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:34,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:41:34,678 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:41:34,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:34,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:34,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:34,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:41:34,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:41:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:41:34,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:41:34,756 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: [] [2021-11-07 07:41:34,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:34,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:34,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 07:41:34,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:41:34,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:41:34,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:41:34,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:41:34,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:34,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:34,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:34,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:34,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:41:34,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:41:34,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 07:41:34,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:41:34,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~q~0=0} Honda state: {ULTIMATE.start_main_~q~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:41:34,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:34,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:34,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:34,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:34,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:41:34,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:41:34,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 07:41:35,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 07:41:35,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:41:35,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:41:35,068 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:41:35,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,110 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:41:35,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:41:35,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:41:35,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:41:35,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:41:35,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:41:35,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:41:35,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-07 07:41:35,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:41:35,111 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:41:35,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:35,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:35,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:35,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:41:35,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:41:35,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:41:35,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,283 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:41:35,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 07:41:35,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:41:35,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:41:35,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-07 07:41:35,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,367 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 07:41:35,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:35,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:41:35,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:41:35,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:35,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 07:41:35,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:35,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:41:35,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:41:35,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:35,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,495 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 07:41:35,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:41:35,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:41:35,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:41:35,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,588 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 07:41:35,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,589 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:35,625 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:41:35,625 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:41:35,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 07:41:35,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,752 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 07:41:35,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:35,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,763 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:35,763 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:41:35,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:35,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-07 07:41:35,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,799 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 07:41:35,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:35,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,811 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:35,812 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:41:35,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:35,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,843 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 07:41:35,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,854 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:35,860 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:41:35,860 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:41:35,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:35,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:35,928 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 07:41:35,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:35,930 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:35,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:35,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:35,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:35,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:35,951 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:35,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 07:41:35,969 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:41:35,969 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:41:36,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,059 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 07:41:36,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:36,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:36,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:41:36,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:36,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,106 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 07:41:36,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:36,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,118 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:36,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:41:36,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:36,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,187 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,214 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:36,219 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:41:36,219 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:41:36,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 07:41:36,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,283 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 07:41:36,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,285 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,294 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 [2021-11-07 07:41:36,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,307 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:41:36,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 07:41:36,327 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:41:36,327 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:41:36,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,438 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 07:41:36,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:36,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,458 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:41:36,460 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:41:36,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:36,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,517 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 07:41:36,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:36,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,529 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:41:36,530 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:41:36,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:36,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,571 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 07:41:36,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:41:36,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,580 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:41:36,585 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:41:36,586 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:41:36,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:36,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:36,660 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 07:41:36,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:36,661 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:36,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:36,674 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:36,674 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:41:36,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:36,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:36,675 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:36,686 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:41:36,686 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:41:36,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 07:41:37,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:37,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:37,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:37,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:37,149 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:37,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:37,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:37,166 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:41:37,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:37,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:37,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:37,166 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:37,167 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:41:37,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:37,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 07:41:37,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:37,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:37,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:37,244 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:37,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:37,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:37,256 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:41:37,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:37,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:37,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:37,257 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:37,258 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:41:37,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:37,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 07:41:37,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:37,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:37,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:37,313 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:37,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:37,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:37,325 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:41:37,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:37,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:37,325 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:41:37,329 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:41:37,329 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:41:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 07:41:37,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:37,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:37,395 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 07:41:37,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:37,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:37,398 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 07:41:37,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:37,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:37,413 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:41:37,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:37,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:37,414 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:37,430 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:41:37,430 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:41:49,490 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-07 07:41:49,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-07 07:41:49,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:49,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:49,495 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:49,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 07:41:49,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:49,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:49,518 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:41:49,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:49,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:49,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:49,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:49,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:41:49,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:49,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:49,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:49,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:49,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:49,575 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:49,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:49,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:49,593 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:41:49,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:41:49,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:49,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:49,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:49,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:41:49,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:41:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 07:41:49,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:49,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:49,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:49,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:49,650 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:49,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:41:49,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 07:41:49,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:49,681 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:41:49,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:49,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:49,682 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:41:49,686 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:41:49,686 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:41:49,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:41:49,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 07:41:49,748 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 07:41:49,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:41:49,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:41:49,749 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:41:49,752 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 [2021-11-07 07:41:49,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:41:49,764 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:41:49,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:41:49,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:41:49,764 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:41:49,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 07:41:49,810 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:41:49,810 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:01,899 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-07 07:42:01,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-07 07:42:01,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:01,905 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:01,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 07:42:01,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:01,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:01,927 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:01,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:01,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:01,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:01,927 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:01,956 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:01,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:01,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:02,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,011 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,031 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,031 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:02,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:02,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,032 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:02,034 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:02,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:02,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 07:42:02,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:02,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,093 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,107 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,107 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:02,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,108 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:02,114 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:42:02,114 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:02,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 07:42:02,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:02,185 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 07:42:02,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,187 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 07:42:02,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,201 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:02,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,202 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:02,215 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:02,215 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:02,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:02,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,331 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 07:42:02,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,344 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:02,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:02,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:02,345 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:02,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:02,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-07 07:42:02,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,373 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 07:42:02,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,383 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:02,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:02,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:02,386 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:02,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:02,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-07 07:42:02,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,433 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 07:42:02,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,443 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:02,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,443 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:02,446 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:02,446 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:02,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:02,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:02,518 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 07:42:02,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:02,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:02,520 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:02,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:02,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:02,542 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:02,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:02,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:02,543 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:02,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 07:42:02,571 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 07:42:02,572 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:42:03,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:03,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:03,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,159 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 07:42:03,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:03,170 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:03,170 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:03,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:03,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:03,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:03,171 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:03,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:03,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:03,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:03,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:03,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,205 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 07:42:03,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:03,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:03,216 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:03,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:03,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:03,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:03,217 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:03,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:03,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:03,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:03,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-07 07:42:03,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,248 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 07:42:03,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:03,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:03,261 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:03,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:03,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:03,261 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:03,269 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 07:42:03,270 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:42:03,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:03,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:03,342 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-07 07:42:03,343 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~A~0, main_~B~0, main_~r~0, main_~d~0, main_~p~0, main_~q~0;havoc main_~A~0;havoc main_~B~0;havoc main_~r~0;havoc main_~d~0;havoc main_~p~0;havoc main_~q~0;main_~A~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~B~0 := 1;main_~r~0 := main_~A~0;main_~d~0 := main_~B~0;main_~p~0 := 1;main_~q~0 := 0; 10#L33-2true assume !false; 11#L37true assume !!(main_~B~0 * main_~p~0 - main_~d~0 + main_~r~0 >= main_~d~0);main_~d~0 := 2 * main_~d~0;main_~p~0 := 2 * main_~p~0; 10#L33-2true [2021-11-07 07:42:03,343 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 11#L37true assume !!(main_~B~0 * main_~p~0 - main_~d~0 + main_~r~0 >= main_~d~0);main_~d~0 := 2 * main_~d~0;main_~p~0 := 2 * main_~p~0; 10#L33-2true [2021-11-07 07:42:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:42:03,344 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 2 times [2021-11-07 07:42:03,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:42:03,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953864288] [2021-11-07 07:42:03,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:42:03,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:42:03,354 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:42:03,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117542741] [2021-11-07 07:42:03,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:42:03,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:42:03,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,360 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-07 07:42:03,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 07:42:03,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:42:03,406 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:42:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:42:03,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:42:03,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:42:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 2 times [2021-11-07 07:42:03,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:42:03,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619356914] [2021-11-07 07:42:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:42:03,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:42:03,427 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:42:03,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537891541] [2021-11-07 07:42:03,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:42:03,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:42:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,442 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-07 07:42:03,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 07:42:03,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:42:03,481 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:42:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:42:03,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:42:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:42:03,491 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 3 times [2021-11-07 07:42:03,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:42:03,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444376847] [2021-11-07 07:42:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:42:03,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:42:03,497 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:42:03,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018209029] [2021-11-07 07:42:03,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 07:42:03,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:42:03,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,504 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-11-07 07:42:03,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 07:42:03,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:42:03,545 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:42:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:42:03,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:42:03,677 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:42:03,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:42:03,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:42:03,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:42:03,678 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:42:03,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:42:03,678 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:42:03,678 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-07 07:42:03,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:42:03,679 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:42:03,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:03,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:03,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:03,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:03,800 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:42:03,800 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:42:03,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,803 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:42:03,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:42:03,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-07 07:42:03,826 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:42:03,826 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:42:03,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:03,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,872 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:42:03,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:42:03,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-07 07:42:03,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:42:03,902 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: [] [2021-11-07 07:42:03,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:03,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:03,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:03,941 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:03,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:42:03,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:42:03,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-07 07:42:03,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:42:03,974 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~q~0=0} Honda state: {ULTIMATE.start_main_~q~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:42:04,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,018 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:42:04,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:42:04,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-07 07:42:04,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,085 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:42:04,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:42:04,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-07 07:42:04,119 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:42:04,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-07 07:42:04,141 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:42:04,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:42:04,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:42:04,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:42:04,142 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:42:04,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:42:04,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:42:04,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-07 07:42:04,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:42:04,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:42:04,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:04,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:04,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:04,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:42:04,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:42:04,275 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:42:04,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,277 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:04,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:42:04,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:42:04,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:04,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-07 07:42:04,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,353 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:04,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:42:04,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:42:04,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:04,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-07 07:42:04,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,418 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:42:04,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:04,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:42:04,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-07 07:42:04,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,510 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:42:04,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-07 07:42:04,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:04,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:42:04,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,603 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 07:42:04,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,604 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-07 07:42:04,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:04,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,653 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:04,653 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:42:04,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:04,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,708 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:04,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,724 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:04,725 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:42:04,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:04,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-07 07:42:04,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,792 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,804 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:04,807 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:42:04,807 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:42:04,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-07 07:42:04,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,861 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-07 07:42:04,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,874 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:04,882 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:42:04,882 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:42:04,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:04,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:04,948 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 07:42:04,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:04,950 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:04,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:04,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:04,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:04,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:04,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:04,963 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:04,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:04,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:04,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-07 07:42:04,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,014 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-07 07:42:05,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:05,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,027 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:05,029 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:05,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:05,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,058 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,078 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:05,091 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:05,091 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:05,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-07 07:42:05,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,146 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,163 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:05,175 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:05,175 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:05,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-07 07:42:05,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,258 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 07:42:05,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,259 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:05,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,273 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:05,274 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:05,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:05,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-07 07:42:05,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-07 07:42:05,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,308 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-07 07:42:05,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:05,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,318 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:05,319 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:05,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:05,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-07 07:42:05,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,342 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-07 07:42:05,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,351 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:05,354 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:42:05,354 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:05,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,426 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:42:05,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,444 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:05,457 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:42:05,457 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:05,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-07 07:42:05,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,579 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 07:42:05,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,581 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:05,592 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:05,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:05,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,593 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:05,594 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:42:05,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:05,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-07 07:42:05,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,649 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,663 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:05,663 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:05,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:05,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,663 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:05,664 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:42:05,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:05,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-07 07:42:05,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,720 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,732 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:05,733 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:05,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,733 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:05,735 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:42:05,735 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:42:05,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-07 07:42:05,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:05,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:05,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:05,798 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-07 07:42:05,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:05,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:05,813 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:05,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:05,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:05,813 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:42:05,822 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 07:42:05,823 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 07:42:06,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:06,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-07 07:42:06,349 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 07:42:06,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:06,350 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-07 07:42:06,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:06,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:06,366 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:42:06,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:06,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:06,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:06,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:06,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:06,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:06,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:06,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:06,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:06,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:06,413 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:06,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-07 07:42:06,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:06,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:06,422 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:42:06,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:06,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:06,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:06,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:06,426 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:06,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:06,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:06,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:06,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:06,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:06,459 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:06,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-07 07:42:06,461 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 [2021-11-07 07:42:06,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:06,470 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:42:06,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:06,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:06,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:06,476 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:06,476 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:06,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:06,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:06,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:06,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:06,542 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:06,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:06,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:06,556 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:42:06,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:06,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:06,556 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:06,570 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:06,570 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:06,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-07 07:42:18,631 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-07 07:42:18,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-07 07:42:18,634 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 07:42:18,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:18,635 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-07 07:42:18,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:18,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:18,646 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:18,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:18,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:18,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:18,646 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:18,648 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:18,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:18,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:18,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:18,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:18,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:18,676 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:18,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-07 07:42:18,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:18,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:18,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:18,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:18,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:18,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:18,688 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:18,689 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:42:18,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:18,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:18,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:18,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:18,740 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:18,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-07 07:42:18,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:18,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:18,751 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:18,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:18,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:18,752 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:18,755 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:42:18,755 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:18,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:18,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:18,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:18,789 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:18,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-07 07:42:18,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:18,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:18,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:18,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:18,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:18,816 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:42:18,837 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 07:42:18,837 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 07:42:30,926 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-07 07:42:30,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-07 07:42:30,930 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 07:42:30,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:30,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:30,931 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:30,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-07 07:42:30,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:30,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:30,939 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:30,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:30,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:30,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:30,939 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:30,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:30,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:30,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:30,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-07 07:42:30,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:30,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:30,970 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:30,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-07 07:42:30,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:30,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:30,978 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:30,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:30,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:30,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:30,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:30,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:42:30,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:31,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-07 07:42:31,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,036 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-07 07:42:31,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:31,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:31,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,045 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:31,047 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:31,047 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:31,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:31,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,087 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-07 07:42:31,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:31,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:42:31,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,096 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:42:31,104 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 07:42:31,105 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:42:31,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:31,216 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 07:42:31,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,217 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:31,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,236 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:31,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:31,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,236 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:31,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:31,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:31,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-07 07:42:31,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:31,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,283 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-07 07:42:31,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:31,299 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,299 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:31,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:42:31,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,300 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:31,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:42:31,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:42:31,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:31,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,340 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,348 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 [2021-11-07 07:42:31,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-07 07:42:31,357 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,357 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:31,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,357 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:31,363 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 07:42:31,363 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:42:31,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:31,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:31,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:42:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:42:31,418 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:42:31,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:42:31,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:42:31,435 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:42:31,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:42:31,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:42:31,435 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:42:31,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-07 07:42:31,451 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 07:42:31,452 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:42:32,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:42:32,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:32,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 07:42:32 BoogieIcfgContainer [2021-11-07 07:42:32,767 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 07:42:32,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:42:32,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:42:32,768 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:42:32,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:33" (3/4) ... [2021-11-07 07:42:32,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 07:42:32,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:42:32,773 INFO L168 Benchmark]: Toolchain (without parser) took 59684.63 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 51.8 MB in the beginning and 75.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:42:32,773 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:42:32,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.75 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 51.6 MB in the beginning and 107.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:42:32,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.55 ms. Allocated memory is still 130.0 MB. Free memory was 107.0 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:42:32,774 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 104.9 MB in the end (delta: 773.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:42:32,774 INFO L168 Benchmark]: RCFGBuilder took 275.95 ms. Allocated memory is still 130.0 MB. Free memory was 104.9 MB in the beginning and 95.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:42:32,775 INFO L168 Benchmark]: BuchiAutomizer took 59087.06 ms. Allocated memory is still 130.0 MB. Free memory was 95.8 MB in the beginning and 75.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:42:32,775 INFO L168 Benchmark]: Witness Printer took 3.92 ms. Allocated memory is still 130.0 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:42:32,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 240.75 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 51.6 MB in the beginning and 107.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.55 ms. Allocated memory is still 130.0 MB. Free memory was 107.0 MB in the beginning and 105.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.61 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 104.9 MB in the end (delta: 773.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 275.95 ms. Allocated memory is still 130.0 MB. Free memory was 104.9 MB in the beginning and 95.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 59087.06 ms. Allocated memory is still 130.0 MB. Free memory was 95.8 MB in the beginning and 75.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.92 ms. Allocated memory is still 130.0 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 59.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 58.9s. 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: inital41 mio100 ax100 hnf100 lsp92 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unknown Degree: 3 Time: 12138ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - 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_~A~0, main_~B~0, main_~r~0, main_~d~0, main_~p~0, main_~q~0;havoc main_~A~0;havoc main_~B~0;havoc main_~r~0;havoc main_~d~0;havoc main_~p~0;havoc main_~q~0;main_~A~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~B~0 := 1;main_~r~0 := main_~A~0;main_~d~0 := main_~B~0;main_~p~0 := 1;main_~q~0 := 0;" "assume !false;" "assume !!(main_~B~0 * main_~p~0 - main_~d~0 + main_~r~0 >= main_~d~0);main_~d~0 := 2 * main_~d~0;main_~p~0 := 2 * main_~p~0;" Loop: "assume !false;" "assume !!(main_~B~0 * main_~p~0 - main_~d~0 + main_~r~0 >= main_~d~0);main_~d~0 := 2 * main_~d~0;main_~p~0 := 2 * main_~p~0;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-07 07:42:32,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-11-07 07:42:33,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:33,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:33,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:42:33,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 07:42:33,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a95596c-2a20-4013-8138-99d7f84751df/bin/uautomizer-AkOaLMaTGY/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN