./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-nt.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_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/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_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/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_3f367449-54f1-4be8-afe0-968909398a23/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 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:49:42,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:49:42,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:49:42,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:49:42,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:49:42,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:49:42,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:49:42,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:49:42,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:49:42,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:49:42,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:49:42,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:49:42,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:49:42,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:49:42,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:49:42,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:49:42,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:49:42,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:49:42,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:49:42,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:49:42,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:49:42,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:49:42,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:49:42,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:49:42,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:49:42,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:49:42,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:49:42,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:49:42,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:49:42,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:49:42,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:49:42,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:49:42,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:49:42,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:49:42,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:49:42,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:49:42,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:49:42,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:49:42,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:49:42,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:49:42,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:49:42,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:49:42,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:49:42,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:49:42,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:49:42,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:49:42,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:49:42,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:49:42,866 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:49:42,867 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:49:42,867 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:49:42,868 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:49:42,868 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:49:42,870 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:49:42,871 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:49:42,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:49:42,871 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:49:42,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:49:42,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:49:42,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:49:42,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:49:42,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:49:42,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:49:42,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:49:42,873 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:49:42,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:49:42,874 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:49:42,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:49:42,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:49:42,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:49:42,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:49:42,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:49:42,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:49:42,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:49:42,878 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:49:42,878 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_3f367449-54f1-4be8-afe0-968909398a23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb [2021-11-07 07:49:43,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:49:43,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:49:43,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:49:43,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:49:43,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:49:43,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-11-07 07:49:43,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/data/ea3daa3d1/5c797a34c3034935807ba88e1b57d89e/FLAG2d455f285 [2021-11-07 07:49:43,914 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:49:43,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-11-07 07:49:43,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/data/ea3daa3d1/5c797a34c3034935807ba88e1b57d89e/FLAG2d455f285 [2021-11-07 07:49:44,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/data/ea3daa3d1/5c797a34c3034935807ba88e1b57d89e [2021-11-07 07:49:44,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:49:44,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:49:44,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:49:44,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:49:44,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:49:44,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d04a484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44, skipping insertion in model container [2021-11-07 07:49:44,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:49:44,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:49:44,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:49:44,531 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:49:44,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:49:44,584 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:49:44,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44 WrapperNode [2021-11-07 07:49:44,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:49:44,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:49:44,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:49:44,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:49:44,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:49:44,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:49:44,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:49:44,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:49:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:49:44,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:49:44,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:49:44,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:49:44,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (1/1) ... [2021-11-07 07:49:44,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:44,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:44,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:44,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:49:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:49:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:49:44,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:49:44,965 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-07 07:49:44,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:44 BoogieIcfgContainer [2021-11-07 07:49:44,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:49:44,969 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:49:44,969 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:49:44,973 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:49:44,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:49:44,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:49:44" (1/3) ... [2021-11-07 07:49:44,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8dded6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:49:44, skipping insertion in model container [2021-11-07 07:49:44,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:49:44,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:49:44" (2/3) ... [2021-11-07 07:49:44,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8dded6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:49:44, skipping insertion in model container [2021-11-07 07:49:44,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:49:44,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:44" (3/3) ... [2021-11-07 07:49:44,981 INFO L389 chiAutomizerObserver]: Analyzing ICFG prodbin-both-nt.c [2021-11-07 07:49:45,068 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:49:45,068 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:49:45,069 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:49:45,069 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:49:45,069 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:49:45,069 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:49:45,069 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:49:45,070 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:49:45,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 07:49:45,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:45,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:49:45,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:49:45,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:49:45,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 07:49:45,119 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:49:45,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 07:49:45,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:45,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:49:45,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:49:45,122 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 07:49:45,123 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 07:49:45,130 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L28true assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0; 11#L36-2true [2021-11-07 07:49:45,131 INFO L793 eck$LassoCheckResult]: Loop: 11#L36-2true assume !false; 7#L38true assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 4#L41true assume 1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~z~0 := main_~z~0 + main_~x~0;main_~y~0 := main_~y~0 - 1; 10#L41-2true main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 11#L36-2true [2021-11-07 07:49:45,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:45,142 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-11-07 07:49:45,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:45,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806677419] [2021-11-07 07:49:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:45,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,257 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:45,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:45,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1390346, now seen corresponding path program 1 times [2021-11-07 07:49:45,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:45,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220169798] [2021-11-07 07:49:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:45,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:45,315 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:45,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595714924] [2021-11-07 07:49:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:45,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:45,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:45,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 07:49:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:45,417 INFO L85 PathProgramCache]: Analyzing trace with hash 922140783, now seen corresponding path program 1 times [2021-11-07 07:49:45,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:45,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961022708] [2021-11-07 07:49:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:45,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:45,425 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:45,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924490447] [2021-11-07 07:49:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:45,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:45,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 07:49:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,563 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:45,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:45,774 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:45,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:45,775 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:45,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:45,776 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:49:45,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:45,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:45,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:45,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-11-07 07:49:45,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:45,780 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:45,805 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 07:49:46,075 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:46,076 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:49:46,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:46,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:46,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:46,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:46,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:49:46,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-07 07:49:46,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:46,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 07:49:46,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:49:46,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:46,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:49:46,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-07 07:49:46,292 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:46,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:46,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:46,293 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:46,293 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:49:46,293 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:46,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:46,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:46,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-11-07 07:49:46,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:46,294 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:46,296 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 07:49:46,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:46,488 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:49:46,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:46,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:46,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:46,497 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 07:49:46,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:46,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:46,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:46,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:46,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:46,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:46,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:46,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 07:49:46,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:49:46,537 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:49:46,537 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:49:46,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:46,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:46,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:46,552 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:49:46,552 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:49:46,552 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:49:46,553 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 4*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2021-11-07 07:49:46,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 07:49:46,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:46,600 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:49:46,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:46,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:46,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:46,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 07:49:46,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:46,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-07 07:49:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:46,856 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:46,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:49:46,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 41 transitions. Complement of second has 6 states. [2021-11-07 07:49:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:49:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-07 07:49:46,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-07 07:49:46,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:46,914 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 07:49:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:46,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:46,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:46,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 07:49:46,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:47,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:47,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:49:47,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 43 transitions. Complement of second has 8 states. [2021-11-07 07:49:47,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:49:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-11-07 07:49:47,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-07 07:49:47,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:47,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-07 07:49:47,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:47,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2021-11-07 07:49:47,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:47,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 43 transitions. [2021-11-07 07:49:47,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:47,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 14 states and 17 transitions. [2021-11-07 07:49:47,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-07 07:49:47,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:49:47,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-11-07 07:49:47,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:49:47,085 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-07 07:49:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-11-07 07:49:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2021-11-07 07:49:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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 07:49:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-07 07:49:47,116 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 07:49:47,116 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 07:49:47,116 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:49:47,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-11-07 07:49:47,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:47,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:49:47,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:49:47,121 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 07:49:47,121 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 07:49:47,122 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; 155#L28 assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0; 156#L36-2 assume !false; 162#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 150#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 151#L41-2 [2021-11-07 07:49:47,122 INFO L793 eck$LassoCheckResult]: Loop: 151#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 160#L36-2 assume !false; 157#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 158#L41 assume 1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~z~0 := main_~z~0 + main_~x~0;main_~y~0 := main_~y~0 - 1; 151#L41-2 [2021-11-07 07:49:47,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash 29746478, now seen corresponding path program 1 times [2021-11-07 07:49:47,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:47,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137814127] [2021-11-07 07:49:47,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:47,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:47,135 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:47,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572984343] [2021-11-07 07:49:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:47,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:47,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 07:49:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:47,190 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:47,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:47,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:47,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1742936, now seen corresponding path program 2 times [2021-11-07 07:49:47,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:47,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388851713] [2021-11-07 07:49:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:47,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:47,219 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:47,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527437199] [2021-11-07 07:49:47,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:49:47,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:47,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 07:49:47,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 07:49:47,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:47,264 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:47,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 887103237, now seen corresponding path program 1 times [2021-11-07 07:49:47,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:47,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172596130] [2021-11-07 07:49:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:47,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:47,278 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:47,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688589196] [2021-11-07 07:49:47,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:47,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:47,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 07:49:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:47,336 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:47,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:47,494 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:47,494 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:47,494 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:47,494 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:47,494 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:49:47,494 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,494 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:47,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:47,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-11-07 07:49:47,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:47,495 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:47,498 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 07:49:47,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:47,657 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:49:47,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,659 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:47,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 07:49:47,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-07 07:49:47,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,713 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:49:47,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:47,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 07:49:47,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:49:47,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:47,793 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:47,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:47,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:47,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:47,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:49:47,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:47,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:47,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-11-07 07:49:47,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:47,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:47,796 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 07:49:47,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:47,947 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:49:47,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,949 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:47,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:47,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 07:49:47,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:47,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:47,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:47,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:47,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:47,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:47,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:47,988 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:49:47,993 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:49:47,993 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:49:47,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:47,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:47,995 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:49:48,008 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:49:48,008 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:49:48,008 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2021-11-07 07:49:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 07:49:48,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:48,046 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:49:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:48,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:48,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:48,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 07:49:48,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:48,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:48,361 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:48,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 07:49:48,384 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) Result 23 states and 28 transitions. Complement of second has 5 states. [2021-11-07 07:49:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 07:49:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-11-07 07:49:48,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-07 07:49:48,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:48,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-07 07:49:48,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:48,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-07 07:49:48,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:48,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-11-07 07:49:48,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:48,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 22 states and 27 transitions. [2021-11-07 07:49:48,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-07 07:49:48,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-07 07:49:48,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2021-11-07 07:49:48,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:49:48,391 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-07 07:49:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2021-11-07 07:49:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-11-07 07:49:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 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 07:49:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-07 07:49:48,394 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-07 07:49:48,394 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-07 07:49:48,395 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 07:49:48,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-11-07 07:49:48,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-07 07:49:48,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:49:48,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:49:48,397 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2021-11-07 07:49:48,397 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 07:49:48,397 INFO L791 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; 239#L28 assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0; 240#L36-2 assume !false; 251#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 250#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 248#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 249#L36-2 assume !false; 254#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 234#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 235#L41-2 [2021-11-07 07:49:48,397 INFO L793 eck$LassoCheckResult]: Loop: 235#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 244#L36-2 assume !false; 241#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 242#L41 assume 1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~z~0 := main_~z~0 + main_~x~0;main_~y~0 := main_~y~0 - 1; 235#L41-2 [2021-11-07 07:49:48,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:48,398 INFO L85 PathProgramCache]: Analyzing trace with hash 887103239, now seen corresponding path program 1 times [2021-11-07 07:49:48,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:48,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685568619] [2021-11-07 07:49:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:48,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:48,403 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:48,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086929042] [2021-11-07 07:49:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:48,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:48,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:48,405 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 07:49:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:48,452 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:48,460 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:48,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1742936, now seen corresponding path program 3 times [2021-11-07 07:49:48,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:48,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388081497] [2021-11-07 07:49:48,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:48,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:48,467 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:48,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046857149] [2021-11-07 07:49:48,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 07:49:48,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:48,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:48,472 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 07:49:48,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 07:49:48,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:48,514 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:48,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:48,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:48,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2049426526, now seen corresponding path program 2 times [2021-11-07 07:49:48,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:48,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174848148] [2021-11-07 07:49:48,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:48,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:48,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:48,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973031224] [2021-11-07 07:49:48,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:49:48,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:48,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:48,533 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 07:49:48,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 07:49:48,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:48,581 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:48,593 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:48,671 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:48,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:48,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:48,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:48,672 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:49:48,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:48,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:48,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:48,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-11-07 07:49:48,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:48,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:48,674 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 07:49:48,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:48,820 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:49:48,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:48,827 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:48,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:48,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 07:49:48,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:48,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:48,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:48,896 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:48,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 07:49:48,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:49:48,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:48,944 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:49:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:48,983 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:48,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:48,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:48,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:48,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:49:48,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:48,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:48,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:48,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-11-07 07:49:48,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:48,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:48,985 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 07:49:49,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:49,118 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:49:49,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:49,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:49,120 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:49,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:49,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:49,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:49,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:49,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:49,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:49,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:49,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:49,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 07:49:49,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:49:49,174 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:49:49,174 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:49:49,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:49,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:49,176 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:49,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 07:49:49,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:49:49,181 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:49:49,181 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:49:49,181 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2021-11-07 07:49:49,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:49,204 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:49:49,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:49,449 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:49,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:49,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Result 29 states and 36 transitions. Complement of second has 5 states. [2021-11-07 07:49:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-11-07 07:49:49,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-07 07:49:49,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:49,479 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 07:49:49,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:49,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:49,832 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:49,832 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:49,864 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Result 29 states and 36 transitions. Complement of second has 5 states. [2021-11-07 07:49:49,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-11-07 07:49:49,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-07 07:49:49,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:49,867 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 07:49:49,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:49:49,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 07:49:49,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:49:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:49:50,124 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:49:50,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:50,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Result 32 states and 41 transitions. Complement of second has 6 states. [2021-11-07 07:49:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:49:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:49:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-11-07 07:49:50,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-07 07:49:50,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:50,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 13 letters. Loop has 4 letters. [2021-11-07 07:49:50,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:50,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 8 letters. [2021-11-07 07:49:50,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:49:50,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2021-11-07 07:49:50,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-07 07:49:50,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 25 states and 31 transitions. [2021-11-07 07:49:50,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-07 07:49:50,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-07 07:49:50,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 31 transitions. [2021-11-07 07:49:50,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:49:50,172 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-07 07:49:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 31 transitions. [2021-11-07 07:49:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 15. [2021-11-07 07:49:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:49:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-07 07:49:50,177 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 07:49:50,177 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 07:49:50,177 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-07 07:49:50,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-11-07 07:49:50,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-07 07:49:50,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:49:50,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:49:50,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-07 07:49:50,180 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 07:49:50,180 INFO L791 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; 501#L28 assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0; 502#L36-2 assume !false; 503#L38 [2021-11-07 07:49:50,180 INFO L793 eck$LassoCheckResult]: Loop: 503#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 496#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 497#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 506#L36-2 assume !false; 503#L38 [2021-11-07 07:49:50,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:50,181 INFO L85 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2021-11-07 07:49:50,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:50,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514791085] [2021-11-07 07:49:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:50,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:50,200 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:50,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:50,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:50,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1544218, now seen corresponding path program 1 times [2021-11-07 07:49:50,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:50,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710372971] [2021-11-07 07:49:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:50,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:50,224 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:50,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1601039393] [2021-11-07 07:49:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:50,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:50,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:50,226 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:50,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 07:49:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:50,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:50,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1478404862, now seen corresponding path program 2 times [2021-11-07 07:49:50,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:50,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530965146] [2021-11-07 07:49:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:50,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:50,310 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:50,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869792569] [2021-11-07 07:49:50,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:49:50,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:50,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:50,316 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:50,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 07:49:50,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 07:49:50,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:50,397 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:50,406 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:50,527 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:50,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:50,527 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:50,527 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:50,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:49:50,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:50,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:50,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:50,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-07 07:49:50,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:50,529 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:50,532 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 07:49:50,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:49:50,537 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 07:49:50,540 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 07:49:50,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:50,894 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:49:50,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:50,898 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:50,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 07:49:50,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:50,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:50,945 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:50,945 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 07:49:50,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:50,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:50,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:50,990 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:50,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:50,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:50,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 07:49:51,022 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:51,022 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:49:51,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,059 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 07:49:51,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:51,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:51,074 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:51,074 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 07:49:51,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,098 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 07:49:51,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:51,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:51,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,160 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:49:51,174 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:51,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 07:49:51,216 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:49:51,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,261 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:51,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:51,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:51,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:51,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:49:51,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:51,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:51,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-07 07:49:51,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:51,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:51,264 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 07:49:51,318 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 07:49:51,320 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 07:49:51,323 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 07:49:51,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:51,602 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:49:51,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,608 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:51,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,625 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:51,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 07:49:51,660 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 07:49:51,660 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:49:51,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:51,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,729 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:51,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 07:49:51,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:51,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:51,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:51,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:51,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:51,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:51,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,765 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 07:49:51,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:51,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:51,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:51,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:51,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:51,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:51,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:51,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,804 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 07:49:51,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:51,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:51,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:51,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:51,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:51,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:51,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:51,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,842 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 07:49:51,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,843 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 07:49:51,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:51,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,854 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:51,854 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:51,892 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-07 07:49:51,892 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:49:51,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:51,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:51,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:51,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:51,973 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:51,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 07:49:51,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:51,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:51,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:51,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:51,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:51,984 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:51,984 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:51,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:51,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-07 07:49:52,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,015 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 07:49:52,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:52,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,024 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:52,025 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:52,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,049 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 07:49:52,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,059 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:52,059 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:52,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,082 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 07:49:52,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,083 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 07:49:52,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,093 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:52,093 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:52,131 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:49:52,131 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:49:52,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,249 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:52,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,267 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:52,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:52,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 07:49:52,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,323 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:52,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:52,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 07:49:52,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-07 07:49:52,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,378 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,406 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:52,407 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:52,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 07:49:52,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,461 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 07:49:52,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,463 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 07:49:52,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,473 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:52,473 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:52,516 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-07 07:49:52,516 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-07 07:49:52,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,626 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 07:49:52,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:52,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,635 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:52,636 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:52,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,662 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 07:49:52,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,674 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:52,674 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:52,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-07 07:49:52,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,711 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 07:49:52,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:52,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:52,720 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:52,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,745 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 07:49:52,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,746 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 07:49:52,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:52,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:52,755 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:52,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,755 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:52,755 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:52,782 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-07 07:49:52,782 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:49:52,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,890 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-07 07:49:52,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,907 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:52,907 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:52,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,907 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:52,909 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:52,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:52,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:52,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:52,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:52,964 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:52,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:52,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:52,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:52,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:52,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:52,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:52,981 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:52,982 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:52,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-07 07:49:52,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,038 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,050 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,050 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:53,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:53,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:53,051 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:53,053 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:53,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:53,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-07 07:49:53,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,116 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 07:49:53,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,117 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,130 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:53,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,130 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:53,130 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-07 07:49:53,203 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:49:53,204 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:49:53,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,565 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,579 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:53,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:53,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:53,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:53,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:53,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:53,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-07 07:49:53,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,644 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,656 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:53,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:53,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:53,657 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:53,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:53,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:53,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-07 07:49:53,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,716 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,731 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:53,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-07 07:49:53,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:53,732 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:53,733 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:53,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:53,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:53,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:53,781 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 07:49:53,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:53,782 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:53,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:53,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-07 07:49:53,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:53,798 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:53,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:53,798 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:53,799 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:53,858 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-07 07:49:53,858 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-07 07:49:54,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:54,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-07 07:49:54,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:54,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:54,713 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:54,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-07 07:49:54,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:54,724 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:54,724 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:54,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:54,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:54,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:54,725 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:54,727 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:54,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:54,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:54,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-07 07:49:54,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:54,800 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:54,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:54,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:54,819 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:54,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:54,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:54,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:54,820 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:54,822 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:54,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:54,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-07 07:49:54,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:54,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-07 07:49:54,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:54,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:54,867 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-07 07:49:54,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:54,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:54,878 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:54,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:54,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:54,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:54,878 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:54,879 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:54,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:54,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:54,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:54,904 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 07:49:54,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:54,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:54,905 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:54,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-07 07:49:54,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:54,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:54,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:54,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:54,915 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:54,915 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:54,952 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:49:54,952 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:49:55,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-07 07:49:55,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,070 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-07 07:49:55,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:55,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,079 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:55,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:55,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:55,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-07 07:49:55,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,103 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-07 07:49:55,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:55,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,112 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:55,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,113 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:55,113 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:55,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:55,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,138 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-07 07:49:55,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:55,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:55,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,148 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:55,149 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:55,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-07 07:49:55,185 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 07:49:55,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,186 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-07 07:49:55,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:55,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,197 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:55,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,197 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:55,197 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:49:55,255 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-07 07:49:55,255 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-07 07:49:55,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:55,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,492 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,497 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 07:49:55,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:55,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,508 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:49:55,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:49:55,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-07 07:49:55,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:55,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,564 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:55,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,577 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:55,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,577 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:49:55,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:49:55,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-07 07:49:55,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:55,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:55,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,631 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,637 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 07:49:55,647 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:55,647 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:55,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-07 07:49:55,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:55,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:55,647 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:49:55,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:49:55,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:55,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:55,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:55,697 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-07 07:49:55,697 INFO L791 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1; 501#L28 assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0; 502#L36-2 assume !false; 503#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 496#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 497#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 506#L36-2 assume !false; 503#L38 [2021-11-07 07:49:55,697 INFO L793 eck$LassoCheckResult]: Loop: 503#L38 assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0); 496#L41 assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2)); 497#L41-2 main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 506#L36-2 assume !false; 503#L38 [2021-11-07 07:49:55,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:55,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1478404862, now seen corresponding path program 3 times [2021-11-07 07:49:55,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:55,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674484605] [2021-11-07 07:49:55,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:55,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:55,702 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:55,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228433127] [2021-11-07 07:49:55,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 07:49:55,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:55,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,704 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-11-07 07:49:55,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 07:49:55,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:55,765 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:55,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1544218, now seen corresponding path program 2 times [2021-11-07 07:49:55,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:55,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318400837] [2021-11-07 07:49:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:55,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:55,775 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:55,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873930775] [2021-11-07 07:49:55,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:49:55,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:55,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,781 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-11-07 07:49:55,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 07:49:55,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:55,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:55,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:55,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:49:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2102688923, now seen corresponding path program 4 times [2021-11-07 07:49:55,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:49:55,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624560152] [2021-11-07 07:49:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:49:55,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:49:55,848 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 07:49:55,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2460690] [2021-11-07 07:49:55,848 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 07:49:55,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:49:55,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:55,852 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:49:55,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2021-11-07 07:49:55,913 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 07:49:55,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 07:49:55,913 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:49:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:49:55,922 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:49:56,125 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:56,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:56,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:56,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:56,126 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:49:56,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:56,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:56,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-07 07:49:56,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:56,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:56,128 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 07:49:56,133 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 07:49:56,135 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 07:49:56,137 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 07:49:56,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:56,687 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:49:56,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:56,694 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:56,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:56,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:56,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-07 07:49:56,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:56,709 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 07:49:56,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:56,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:56,733 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:56,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-07 07:49:56,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:56,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:56,743 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:56,744 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 07:49:56,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-07 07:49:56,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:56,766 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:56,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:56,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:56,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-07 07:49:56,784 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:49:56,784 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:49:56,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-07 07:49:56,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:56,808 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:56,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-07 07:49:56,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:49:56,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:56,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:56,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:56,845 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:56,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-07 07:49:56,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:49:56,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:49:56,867 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:49:56,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:56,887 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:49:56,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:49:56,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:49:56,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:49:56,888 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:49:56,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:56,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:49:56,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:49:56,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-07 07:49:56,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:49:56,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:49:56,890 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 07:49:56,900 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 07:49:56,902 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 07:49:57,015 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 07:49:57,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:49:57,331 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:49:57,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,333 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:57,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-07 07:49:57,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:57,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:57,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,394 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-07 07:49:57,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:57,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:57,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-07 07:49:57,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,428 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-07 07:49:57,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,445 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:57,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:57,466 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 07:49:57,466 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 07:49:57,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,566 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:49:57,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:49:57,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-07 07:49:57,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,634 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 07:49:57,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,636 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:57,649 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:57,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-07 07:49:57,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,696 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,708 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:57,709 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:57,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-07 07:49:57,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,765 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:57,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,779 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:57,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-07 07:49:57,811 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-07 07:49:57,811 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:49:57,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,927 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:57,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-07 07:49:57,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:57,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:57,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:57,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:57,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:57,940 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:57,940 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:57,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:57,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:57,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:57,992 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 07:49:57,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:57,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:57,994 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,013 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:58,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-07 07:49:58,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,068 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,082 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:58,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-07 07:49:58,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,142 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-07 07:49:58,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:58,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,152 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:58,153 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,189 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:49:58,189 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:49:58,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,273 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-07 07:49:58,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,283 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:58,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-07 07:49:58,305 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 07:49:58,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,306 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-07 07:49:58,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,315 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:58,316 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:58,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,338 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-07 07:49:58,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:58,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,348 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:58,348 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:58,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,373 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-07 07:49:58,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,385 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:58,385 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:58,424 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-07 07:49:58,424 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-07 07:49:58,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-07 07:49:58,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,519 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-07 07:49:58,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:49:58,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,536 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:58,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:58,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-07 07:49:58,561 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 07:49:58,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,562 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-07 07:49:58,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:58,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,574 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:58,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,575 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:58,575 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:58,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-07 07:49:58,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,625 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-07 07:49:58,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,633 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,634 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:58,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,634 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:58,634 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:58,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,658 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-07 07:49:58,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,680 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:58,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,680 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:58,680 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:58,715 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-07 07:49:58,715 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 07:49:58,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,831 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,844 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:49:58,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,844 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 07:49:58,846 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 07:49:58,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-07 07:49:58,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,897 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 07:49:58,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,898 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-07 07:49:58,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:58,908 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,909 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:58,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:58,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:58,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:58,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:58,965 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:58,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:58,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:58,983 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:58,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:58,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:58,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:58,984 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:58,984 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:58,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:58,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-07 07:49:59,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:59,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:59,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:59,041 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:59,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:59,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:59,053 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:59,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:59,053 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:59,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:59,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-07 07:49:59,094 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:49:59,094 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:49:59,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:59,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-07 07:49:59,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:59,297 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:59,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-07 07:49:59,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:59,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:59,306 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 07:49:59,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:59,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:59,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:59,306 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:49:59,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:49:59,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:59,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:59,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:59,331 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 07:49:59,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:59,332 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:59,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-07 07:49:59,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:59,340 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:59,341 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:59,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:59,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:59,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:59,341 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:59,342 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:59,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:59,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:59,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-07 07:49:59,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:59,367 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:59,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-07 07:49:59,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:49:59,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:59,376 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:59,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:49:59,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:59,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:49:59,376 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:59,377 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:49:59,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:49:59,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:49:59,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-07 07:49:59,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:49:59,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:49:59,405 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:49:59,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-07 07:49:59,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:49:59,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:49:59,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:49:59,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:49:59,419 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:49:59,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:49:59,477 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-07 07:49:59,477 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-07 07:50:00,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:00,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,389 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-07 07:50:00,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,398 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,399 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:50:00,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,399 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 07:50:00,400 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 07:50:00,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-07 07:50:00,437 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 07:50:00,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,438 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-07 07:50:00,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,448 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:50:00,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:50:00,449 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:50:00,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:00,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,474 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-07 07:50:00,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:50:00,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:50:00,484 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:50:00,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:00,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,508 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-07 07:50:00,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,519 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:50:00,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,519 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:50:00,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:50:00,545 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-07 07:50:00,545 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-07 07:50:00,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-07 07:50:00,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,650 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-07 07:50:00,651 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 07:50:00,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,659 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 07:50:00,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,659 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 07:50:00,660 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 07:50:00,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-07 07:50:00,686 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 07:50:00,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,687 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-07 07:50:00,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:50:00,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,697 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:50:00,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,697 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:50:00,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:50:00,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-07 07:50:00,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,727 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-07 07:50:00,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,737 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:50:00,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:00,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:00,737 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:50:00,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:50:00,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:00,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:00,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:00,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:00,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:00,771 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:00,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:00,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:00,786 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:50:00,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:00,786 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 07:50:00,786 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:50:00,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-07 07:50:00,849 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-07 07:50:00,849 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-07 07:50:01,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:01,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:01,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:01,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:01,050 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:01,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-07 07:50:01,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 07:50:01,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 07:50:01,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 07:50:01,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:50:01,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:50:01,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:50:01,061 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 07:50:01,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:50:01,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:50:01,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:50:01,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:01,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 07:50:01 BoogieIcfgContainer [2021-11-07 07:50:01,094 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 07:50:01,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:50:01,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:50:01,095 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:50:01,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:44" (3/4) ... [2021-11-07 07:50:01,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 07:50:01,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:50:01,101 INFO L168 Benchmark]: Toolchain (without parser) took 16815.42 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 91.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:50:01,101 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:50:01,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.51 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 115.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:50:01,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.24 ms. Allocated memory is still 138.4 MB. Free memory was 115.7 MB in the beginning and 114.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:50:01,102 INFO L168 Benchmark]: Boogie Preprocessor took 20.59 ms. Allocated memory is still 138.4 MB. Free memory was 114.4 MB in the beginning and 113.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:50:01,103 INFO L168 Benchmark]: RCFGBuilder took 323.99 ms. Allocated memory is still 138.4 MB. Free memory was 113.2 MB in the beginning and 105.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:50:01,103 INFO L168 Benchmark]: BuchiAutomizer took 16125.11 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 91.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:50:01,104 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 201.3 MB. Free memory is still 91.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:50:01,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 297.51 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 115.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.24 ms. Allocated memory is still 138.4 MB. Free memory was 115.7 MB in the beginning and 114.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.59 ms. Allocated memory is still 138.4 MB. Free memory was 114.4 MB in the beginning and 113.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 323.99 ms. Allocated memory is still 138.4 MB. Free memory was 113.2 MB in the beginning and 105.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16125.11 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 91.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 201.3 MB. Free memory is still 91.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function 4 * y + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. The remainder module has 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 14.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 2. Nontrivial modules had stage [1, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 50 SDtfs, 59 SDslu, 15 SDs, 0 SdLazy, 72 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf98 lsp103 ukn96 mio100 lsp100 div306 bol100 ite100 ukn100 eq142 hnf55 smp90 dnf149 smp85 tf101 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 260ms VariablesStem: 8 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 12 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - 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_#t~nondet1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;" "assume !(main_~b~0 < 1);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~z~0 := 0;" "assume !false;" "assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0);" "assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));" "main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !false;" Loop: "assume !!(main_~z~0 + main_~x~0 * main_~y~0 == main_~a~0 * main_~b~0);" "assume !(1 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));" "main_~x~0 := 2 * main_~x~0;main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !false;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-07 07:50:01,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:01,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2021-11-07 07:50:01,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2021-11-07 07:50:01,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:01,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-07 07:50:02,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-11-07 07:50:02,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-07 07:50:02,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-07 07:50:02,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-07 07:50:02,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-07 07:50:03,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-07 07:50:03,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:03,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:50:03,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f367449-54f1-4be8-afe0-968909398a23/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_3f367449-54f1-4be8-afe0-968909398a23/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