./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:34:10,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:34:10,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:34:10,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:34:10,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:34:10,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:34:10,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:34:10,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:34:10,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:34:10,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:34:10,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:34:10,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:34:10,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:34:10,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:34:10,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:34:10,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:34:10,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:34:10,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:34:10,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:34:10,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:34:10,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:34:10,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:34:10,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:34:10,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:34:10,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:34:10,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:34:10,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:34:10,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:34:10,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:34:10,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:34:10,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:34:10,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:34:10,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:34:10,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:34:10,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:34:10,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:34:10,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:34:10,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:34:10,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:34:10,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:34:10,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:34:10,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 08:34:10,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:34:10,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:34:10,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:34:10,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:34:10,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:34:10,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:34:10,901 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:34:10,902 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:34:10,902 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:34:10,902 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:34:10,902 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:34:10,902 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:34:10,903 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:34:10,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:34:10,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:34:10,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:34:10,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:34:10,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:34:10,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:34:10,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:34:10,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:34:10,905 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:34:10,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:34:10,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:34:10,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:34:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:34:10,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:34:10,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:34:10,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:34:10,907 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:34:10,908 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_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 [2021-11-09 08:34:11,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:34:11,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:34:11,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:34:11,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:34:11,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:34:11,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c [2021-11-09 08:34:11,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/data/7f6eb90f5/cd7a0b861d2d40958406f59475c64651/FLAG5abd8cef1 [2021-11-09 08:34:11,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:34:11,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c [2021-11-09 08:34:11,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/data/7f6eb90f5/cd7a0b861d2d40958406f59475c64651/FLAG5abd8cef1 [2021-11-09 08:34:12,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/data/7f6eb90f5/cd7a0b861d2d40958406f59475c64651 [2021-11-09 08:34:12,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:34:12,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:34:12,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:34:12,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:34:12,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:34:12,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783007e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12, skipping insertion in model container [2021-11-09 08:34:12,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:34:12,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:34:12,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:34:12,378 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:34:12,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:34:12,405 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:34:12,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12 WrapperNode [2021-11-09 08:34:12,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:34:12,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:34:12,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:34:12,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:34:12,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:34:12,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:34:12,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:34:12,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:34:12,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:34:12,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:34:12,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:34:12,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:34:12,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (1/1) ... [2021-11-09 08:34:12,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:12,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:12,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:34:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure p [2021-11-09 08:34:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure p [2021-11-09 08:34:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:34:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:34:12,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:34:12,770 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-09 08:34:12,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:34:12 BoogieIcfgContainer [2021-11-09 08:34:12,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:34:12,773 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:34:12,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:34:12,778 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:34:12,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:34:12,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:34:12" (1/3) ... [2021-11-09 08:34:12,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fdad64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:34:12, skipping insertion in model container [2021-11-09 08:34:12,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:34:12,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:12" (2/3) ... [2021-11-09 08:34:12,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fdad64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:34:12, skipping insertion in model container [2021-11-09 08:34:12,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:34:12,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:34:12" (3/3) ... [2021-11-09 08:34:12,782 INFO L389 chiAutomizerObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex4.c [2021-11-09 08:34:12,829 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:34:12,830 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:34:12,830 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:34:12,830 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:34:12,830 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:34:12,830 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:34:12,830 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:34:12,831 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:34:12,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 08:34:12,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:12,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:34:12,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:34:12,878 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 08:34:12,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:34:12,878 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:34:12,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 08:34:12,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:12,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:34:12,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:34:12,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 08:34:12,882 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:34:12,889 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~m~0, main_~n~0, main_~r~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~r~0 := main_#t~nondet4;havoc main_#t~nondet4; 16#L28true assume (main_~m~0 >= 0 && main_~n~0 >= 0) && main_~r~0 >= 0; 10#L29true call main_#t~ret5 := p(main_~m~0, main_~n~0, main_~r~0);< 17#pENTRYtrue [2021-11-09 08:34:12,889 INFO L793 eck$LassoCheckResult]: Loop: 17#pENTRYtrue ~m := #in~m;~n := #in~n;~r := #in~r; 3#L13true assume ~r > 0; 18#L14true call #t~ret0 := p(~m, ~r - 1, ~n);< 17#pENTRYtrue [2021-11-09 08:34:12,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash 44796, now seen corresponding path program 1 times [2021-11-09 08:34:12,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:12,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125015852] [2021-11-09 08:34:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:12,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:12,988 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:13,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:13,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:13,029 INFO L85 PathProgramCache]: Analyzing trace with hash 29912, now seen corresponding path program 1 times [2021-11-09 08:34:13,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:13,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393494847] [2021-11-09 08:34:13,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:13,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:13,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:13,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:13,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1334517757, now seen corresponding path program 1 times [2021-11-09 08:34:13,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:13,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979020740] [2021-11-09 08:34:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:13,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:13,068 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:13,080 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:13,379 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:34:13,380 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:34:13,380 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:34:13,380 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:34:13,380 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:34:13,380 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,380 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:34:13,380 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:34:13,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration1_Loop [2021-11-09 08:34:13,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:34:13,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:34:13,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:34:13,504 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:34:13,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:34:13,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,546 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:34:13,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret0=0} Honda state: {p_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:34:13,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:34:13,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,728 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#in~m=0} Honda state: {p_#in~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:34:13,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_~n=0} Honda state: {p_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-09 08:34:13,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:34:13,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,828 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:13,828 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_~m=0} Honda state: {p_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:13,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-09 08:34:13,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:34:13,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:13,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:13,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:13,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:34:13,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:34:13,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:13,986 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:34:13,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:13,989 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:34:13,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:34:13,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:34:13,990 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:34:13,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:34:13,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:13,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:34:13,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:34:13,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration1_Loop [2021-11-09 08:34:13,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:34:13,990 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:34:13,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:13,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:14,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:34:14,074 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:34:14,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:34:14,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,147 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:34:14,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,202 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:34:14,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-09 08:34:14,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:34:14,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,290 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:34:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,364 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:34:14,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,402 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:34:14,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,442 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:34:14,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:14,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:14,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,476 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-09 08:34:14,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,477 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:34:14,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,489 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,494 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,547 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:34:14,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,558 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,602 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:34:14,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,613 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,656 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:34:14,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,669 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,670 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,699 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:34:14,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,709 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,710 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,743 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:34:14,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,755 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:14,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,832 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:34:14,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:14,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:14,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:14,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:14,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:14,849 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-09 08:34:14,858 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-09 08:34:14,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:14,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:34:14,906 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-09 08:34:14,906 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-11-09 08:34:14,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:14,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:14,910 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:14,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:34:14,915 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 08:34:14,915 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:34:14,916 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*p_#in~n + 1*p_#in~r f1 = 1*p_#in~r Supporting invariants [] [2021-11-09 08:34:14,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:34:14,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:14,953 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 08:34:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:15,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:34:15,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:15,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-09 08:34:15,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:15,422 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-09 08:34:15,424 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:15,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 59 transitions. Complement of second has 12 states. [2021-11-09 08:34:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:34:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-09 08:34:15,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-09 08:34:15,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:15,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-09 08:34:15,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:15,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-09 08:34:15,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:15,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2021-11-09 08:34:15,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:15,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 20 states and 23 transitions. [2021-11-09 08:34:15,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-09 08:34:15,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-09 08:34:15,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-11-09 08:34:15,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:34:15,677 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-09 08:34:15,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-11-09 08:34:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2021-11-09 08:34:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-09 08:34:15,707 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-09 08:34:15,707 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-09 08:34:15,707 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:34:15,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-11-09 08:34:15,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:15,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:34:15,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:34:15,709 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:34:15,709 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:34:15,709 INFO L791 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~m~0, main_~n~0, main_~r~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~r~0 := main_#t~nondet4;havoc main_#t~nondet4; 129#L28 assume (main_~m~0 >= 0 && main_~n~0 >= 0) && main_~r~0 >= 0; 121#L29 call main_#t~ret5 := p(main_~m~0, main_~n~0, main_~r~0);< 130#pENTRY ~m := #in~m;~n := #in~n;~r := #in~r; 120#L13 assume !(~r > 0); 122#L16 [2021-11-09 08:34:15,710 INFO L793 eck$LassoCheckResult]: Loop: 122#L16 assume ~n > 0; 125#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 127#pENTRY ~m := #in~m;~n := #in~n;~r := #in~r; 132#L13 assume !(~r > 0); 122#L16 [2021-11-09 08:34:15,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash 43048962, now seen corresponding path program 1 times [2021-11-09 08:34:15,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:15,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593954649] [2021-11-09 08:34:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:15,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,719 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:15,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:15,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1220476, now seen corresponding path program 1 times [2021-11-09 08:34:15,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:15,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185164297] [2021-11-09 08:34:15,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:15,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,734 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:15,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1891526915, now seen corresponding path program 1 times [2021-11-09 08:34:15,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:15,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715634701] [2021-11-09 08:34:15,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:15,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,769 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:15,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:15,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:15,895 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:34:15,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:34:15,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:34:15,896 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:34:15,896 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:34:15,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:15,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:34:15,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:34:15,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration2_Loop [2021-11-09 08:34:15,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:34:15,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:34:15,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:15,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:15,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:15,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:15,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:15,988 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:34:15,988 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:34:15,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:15,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:15,990 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:15,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:15,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:16,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:34:16,022 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:16,022 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:16,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:16,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,060 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:16,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:34:16,082 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:16,082 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret0=0} Honda state: {p_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:16,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-09 08:34:16,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,111 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:16,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:16,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:34:16,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:16,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:16,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-09 08:34:16,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,143 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 08:34:16,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:16,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:16,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-09 08:34:16,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,182 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 08:34:16,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:34:16,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:16,714 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 08:34:16,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-09 08:34:16,717 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:34:16,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:34:16,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:34:16,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:34:16,717 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:34:16,717 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:34:16,717 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:34:16,717 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration2_Loop [2021-11-09 08:34:16,717 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:34:16,717 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:34:16,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:16,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:16,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:16,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:16,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:16,818 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:34:16,818 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:34:16,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,819 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 08:34:16,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:16,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:16,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:16,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:16,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:16,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:16,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:16,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:16,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:16,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:16,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,879 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:16,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 08:34:16,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:16,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:16,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:16,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:16,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:16,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:16,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:16,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:34:16,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:16,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,912 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 08:34:16,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:34:16,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:34:16,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:34:16,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:34:16,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:34:16,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:34:16,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:34:16,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:34:16,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:34:16,951 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-09 08:34:16,951 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 08:34:16,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:16,956 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:16,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 08:34:16,957 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:34:16,957 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 08:34:16,957 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:34:16,958 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(p_~n) = 1*p_~n Supporting invariants [] [2021-11-09 08:34:16,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:16,995 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 08:34:17,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:17,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:34:17,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 08:34:17,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:17,106 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-11-09 08:34:17,107 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:17,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 13 states. [2021-11-09 08:34:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-09 08:34:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-11-09 08:34:17,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-09 08:34:17,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:17,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-09 08:34:17,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:17,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-09 08:34:17,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:34:17,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-11-09 08:34:17,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:17,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 24 transitions. [2021-11-09 08:34:17,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 08:34:17,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-09 08:34:17,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-11-09 08:34:17,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:34:17,129 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-09 08:34:17,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-11-09 08:34:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-09 08:34:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-11-09 08:34:17,132 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-09 08:34:17,132 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-09 08:34:17,132 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:34:17,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2021-11-09 08:34:17,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:34:17,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:34:17,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:34:17,133 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:34:17,134 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:34:17,134 INFO L791 eck$LassoCheckResult]: Stem: 229#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~m~0, main_~n~0, main_~r~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~r~0 := main_#t~nondet4;havoc main_#t~nondet4; 230#L28 assume (main_~m~0 >= 0 && main_~n~0 >= 0) && main_~r~0 >= 0; 219#L29 call main_#t~ret5 := p(main_~m~0, main_~n~0, main_~r~0);< 231#pENTRY ~m := #in~m;~n := #in~n;~r := #in~r; 218#L13 assume !(~r > 0); 221#L16 assume ~n > 0; 223#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 228#pENTRY ~m := #in~m;~n := #in~n;~r := #in~r; 233#L13 assume ~r > 0; 226#L14 [2021-11-09 08:34:17,134 INFO L793 eck$LassoCheckResult]: Loop: 226#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 227#pENTRY ~m := #in~m;~n := #in~n;~r := #in~r; 235#L13 assume ~r > 0; 226#L14 [2021-11-09 08:34:17,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1891526918, now seen corresponding path program 1 times [2021-11-09 08:34:17,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:17,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48048914] [2021-11-09 08:34:17,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:17,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,148 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash 56702, now seen corresponding path program 2 times [2021-11-09 08:34:17,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:17,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6823292] [2021-11-09 08:34:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:17,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:17,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:17,196 INFO L85 PathProgramCache]: Analyzing trace with hash -507463707, now seen corresponding path program 1 times [2021-11-09 08:34:17,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:17,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867406773] [2021-11-09 08:34:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:17,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,209 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:17,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:17,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:17,384 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:34:17,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:34:17,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:34:17,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:34:17,385 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:34:17,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:17,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:34:17,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:34:17,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration3_Loop [2021-11-09 08:34:17,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:34:17,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:34:17,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:17,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:17,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:17,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:17,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:34:17,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:34:17,465 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:34:17,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:17,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:17,466 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:17,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:17,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 08:34:17,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:34:17,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#in~m=6, p_~m=6} Honda state: {p_#in~m=6, p_~m=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:34:17,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:17,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:17,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:17,532 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:17,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:34:17,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:17,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 08:34:17,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:17,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:34:17,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:17,601 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:17,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:34:17,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:34:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4523f1bc-0a81-4d64-9aa1-a9f10edd22e2/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process