./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0 --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 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:07:33,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:07:33,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:07:33,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:07:33,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:07:33,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:07:33,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:07:33,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:07:33,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:07:33,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:07:33,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:07:33,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:07:33,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:07:33,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:07:33,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:07:33,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:07:33,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:07:33,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:07:33,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:07:33,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:07:33,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:07:33,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:07:33,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:07:33,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:07:33,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:07:33,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:07:33,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:07:33,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:07:33,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:07:33,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:07:33,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:07:33,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:07:33,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:07:33,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:07:33,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:07:33,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:07:33,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:07:33,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:07:33,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:07:33,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:07:33,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:07:33,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 16:07:34,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:07:34,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:07:34,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:07:34,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:07:34,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:07:34,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:07:34,017 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:07:34,017 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 16:07:34,017 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 16:07:34,018 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 16:07:34,018 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 16:07:34,018 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 16:07:34,019 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 16:07:34,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:07:34,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:07:34,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:07:34,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:07:34,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 16:07:34,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 16:07:34,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 16:07:34,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:07:34,021 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 16:07:34,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:07:34,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 16:07:34,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:07:34,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:07:34,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:07:34,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:07:34,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:07:34,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 16:07:34,025 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_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 [2021-11-22 16:07:34,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:07:34,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:07:34,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:07:34,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:07:34,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:07:34,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2021-11-22 16:07:34,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/data/6fec427b0/d1c261e9313c428f92aed930279cc4a6/FLAGfa590158d [2021-11-22 16:07:35,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:07:35,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2021-11-22 16:07:35,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/data/6fec427b0/d1c261e9313c428f92aed930279cc4a6/FLAGfa590158d [2021-11-22 16:07:35,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/data/6fec427b0/d1c261e9313c428f92aed930279cc4a6 [2021-11-22 16:07:35,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:07:35,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:07:35,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:07:35,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:07:35,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:07:35,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69692215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35, skipping insertion in model container [2021-11-22 16:07:35,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:07:35,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:07:35,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:07:35,801 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:07:35,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:07:35,827 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:07:35,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35 WrapperNode [2021-11-22 16:07:35,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:07:35,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:07:35,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:07:35,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:07:35,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,862 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2021-11-22 16:07:35,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:07:35,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:07:35,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:07:35,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:07:35,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:07:35,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:07:35,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:07:35,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:07:35,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (1/1) ... [2021-11-22 16:07:35,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:35,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:35,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:35,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 16:07:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:07:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:07:36,041 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:07:36,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:07:36,126 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:07:36,135 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:07:36,135 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 16:07:36,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:36 BoogieIcfgContainer [2021-11-22 16:07:36,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:07:36,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 16:07:36,139 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 16:07:36,142 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 16:07:36,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:36,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 04:07:35" (1/3) ... [2021-11-22 16:07:36,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37cc565a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:07:36, skipping insertion in model container [2021-11-22 16:07:36,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:36,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:07:35" (2/3) ... [2021-11-22 16:07:36,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37cc565a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:07:36, skipping insertion in model container [2021-11-22 16:07:36,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:07:36,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:36" (3/3) ... [2021-11-22 16:07:36,148 INFO L388 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4.c [2021-11-22 16:07:36,207 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 16:07:36,208 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 16:07:36,208 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 16:07:36,208 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 16:07:36,208 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 16:07:36,209 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 16:07:36,209 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 16:07:36,209 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 16:07:36,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:07:36,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 16:07:36,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:07:36,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:07:36,262 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-22 16:07:36,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 16:07:36,263 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 16:07:36,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:07:36,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 16:07:36,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:07:36,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:07:36,266 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-22 16:07:36,266 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 16:07:36,275 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L16true assume main_~y~0#1 > main_~x~0#1; 5#L17-2true [2021-11-22 16:07:36,276 INFO L793 eck$LassoCheckResult]: Loop: 5#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 5#L17-2true [2021-11-22 16:07:36,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:36,284 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-22 16:07:36,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:36,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720077007] [2021-11-22 16:07:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:36,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:07:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:07:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-11-22 16:07:36,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:36,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652653303] [2021-11-22 16:07:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:36,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:07:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,433 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:07:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-11-22 16:07:36,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:36,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861291293] [2021-11-22 16:07:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:36,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,466 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:07:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:36,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:07:36,575 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 16:07:36,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 16:07:36,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 16:07:36,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 16:07:36,577 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 16:07:36,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:36,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 16:07:36,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 16:07:36,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2021-11-22 16:07:36,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 16:07:36,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 16:07:36,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:36,737 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 16:07:36,738 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 16:07:36,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:36,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:36,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:36,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 16:07:36,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 16:07:36,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 16:07:36,782 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 16:07:36,783 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 16:07:36,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:36,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:36,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:36,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 16:07:36,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 16:07:36,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 16:07:36,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:36,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:36,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:36,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 16:07:36,959 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 16:07:36,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 16:07:37,104 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 16:07:37,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-22 16:07:37,111 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 16:07:37,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 16:07:37,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 16:07:37,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 16:07:37,111 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 16:07:37,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 16:07:37,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 16:07:37,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2021-11-22 16:07:37,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 16:07:37,112 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 16:07:37,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 16:07:37,276 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 16:07:37,288 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 16:07:37,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 16:07:37,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:37,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:07:37,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:37,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,402 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 16:07:37,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:37,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:07:37,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:37,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,513 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:37,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:07:37,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:37,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 16:07:37,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:37,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 16:07:37,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:37,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:07:37,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:37,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-22 16:07:37,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 16:07:37,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:37,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 16:07:37,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-22 16:07:37,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,821 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:37,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 16:07:37,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 16:07:37,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:37,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 16:07:37,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:37,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:37,912 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-22 16:07:37,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:37,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:37,914 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:37,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 16:07:37,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:37,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:37,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:37,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:37,936 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:37,953 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:37,953 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:37,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,029 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 16:07:38,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,041 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:38,049 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:38,049 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:38,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,118 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 16:07:38,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,136 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:38,141 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:38,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,184 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 16:07:38,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,203 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:38,204 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:38,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,278 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,300 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:38,310 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:38,310 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:38,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 16:07:38,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,378 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,400 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:38,401 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:38,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 16:07:38,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,462 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-22 16:07:38,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 16:07:38,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,484 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:38,485 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:38,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,548 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,571 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,579 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:38,579 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:38,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 16:07:38,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,636 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 16:07:38,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,648 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,649 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:38,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,714 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 16:07:38,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,742 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:38,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,796 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-22 16:07:38,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,818 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:38,818 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:38,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,889 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:38,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,907 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:38,908 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:38,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-22 16:07:38,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:38,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:38,944 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-22 16:07:38,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:38,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:38,947 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:38,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-22 16:07:38,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:38,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:38,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:38,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:38,960 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:38,969 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:38,969 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:38,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,039 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-22 16:07:39,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:39,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:39,059 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:39,059 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:39,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,124 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:39,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,143 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:39,145 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:39,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-22 16:07:39,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,182 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-22 16:07:39,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:39,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,194 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:39,195 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:39,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,224 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-22 16:07:39,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:39,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,235 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:39,240 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:39,241 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:39,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-22 16:07:39,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,277 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-22 16:07:39,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 16:07:39,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,290 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:39,292 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:39,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-22 16:07:39,352 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-22 16:07:39,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,354 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-22 16:07:39,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,366 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,366 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,370 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:39,370 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:39,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,434 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,454 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,454 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,460 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:39,460 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:39,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-22 16:07:39,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-22 16:07:39,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,523 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-22 16:07:39,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,534 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,535 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,536 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:39,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,584 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-22 16:07:39,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,597 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:39,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,626 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-22 16:07:39,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,642 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-22 16:07:39,642 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-22 16:07:39,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,722 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,742 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:39,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:39,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,743 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-22 16:07:39,744 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-22 16:07:39,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:39,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-22 16:07:39,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,814 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-22 16:07:39,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,816 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-22 16:07:39,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,833 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:39,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:39,838 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:39,839 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:39,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:39,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:39,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:39,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:39,889 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:39,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-22 16:07:39,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:39,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:39,901 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:39,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:39,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:39,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:39,912 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:39,912 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:39,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,005 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,026 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:40,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,027 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-22 16:07:40,028 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:40,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,086 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,103 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:40,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,103 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,105 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:40,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-22 16:07:40,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,178 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-22 16:07:40,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,191 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:40,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,196 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:40,196 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:40,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,258 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,279 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-22 16:07:40,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,281 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:40,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-22 16:07:40,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,344 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-22 16:07:40,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,346 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,362 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,368 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:40,368 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-22 16:07:40,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-22 16:07:40,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,426 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-22 16:07:40,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,438 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,438 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,448 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:40,448 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:40,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-22 16:07:40,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,520 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-22 16:07:40,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,539 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,540 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,540 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,542 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:40,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,600 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-22 16:07:40,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,618 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,619 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,621 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:40,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,689 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-22 16:07:40,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,708 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,709 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,714 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-22 16:07:40,714 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-22 16:07:40,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,786 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-22 16:07:40,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,805 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:40,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:40,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,805 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-22 16:07:40,808 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-22 16:07:40,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:40,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,868 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-22 16:07:40,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,870 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,881 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 [2021-11-22 16:07:40,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-22 16:07:40,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,893 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:40,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,894 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,897 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:40,898 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:40,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:40,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:40,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:40,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:40,956 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:40,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:40,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-22 16:07:40,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:40,976 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:40,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:40,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:40,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:40,981 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:40,981 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:41,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,033 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-22 16:07:41,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:41,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:41,045 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:41,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,075 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-22 16:07:41,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:41,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:41,088 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:41,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-22 16:07:41,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,120 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-22 16:07:41,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,131 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,132 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:41,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,132 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:41,140 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-22 16:07:41,140 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 16:07:41,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,203 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-22 16:07:41,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,230 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-22 16:07:41,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,230 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-22 16:07:41,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-22 16:07:41,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-22 16:07:41,272 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-22 16:07:41,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,273 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-22 16:07:41,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,287 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,287 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,292 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-22 16:07:41,292 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-22 16:07:41,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,370 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,385 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,385 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-22 16:07:41,393 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-22 16:07:41,393 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-22 16:07:41,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,464 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,481 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,482 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,482 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:41,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-22 16:07:41,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,543 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,562 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,562 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,563 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:41,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-22 16:07:41,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,634 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,649 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,654 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-22 16:07:41,654 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-22 16:07:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-22 16:07:41,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:41,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:07:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,721 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 16:07:41,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-22 16:07:41,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-22 16:07:41,737 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-22 16:07:41,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 16:07:41,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 16:07:41,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 16:07:41,738 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-22 16:07:41,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 16:07:41,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 16:07:41,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 16:07:41,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-22 16:07:41,801 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-22 16:07:41,802 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L16true assume main_~y~0#1 > main_~x~0#1; 5#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 5#L17-2true [2021-11-22 16:07:41,802 INFO L793 eck$LassoCheckResult]: Loop: 5#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 5#L17-2true [2021-11-22 16:07:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 2 times [2021-11-22 16:07:41,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:41,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908592082] [2021-11-22 16:07:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:41,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:41,813 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:07:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:41,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:07:41,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 2 times [2021-11-22 16:07:41,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:41,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630719773] [2021-11-22 16:07:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:41,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:07:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:07:41,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:07:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:07:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash 28693986, now seen corresponding path program 3 times [2021-11-22 16:07:41,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:07:41,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209404397] [2021-11-22 16:07:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:07:41,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:07:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:07:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:07:41,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:07:41,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209404397] [2021-11-22 16:07:41,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209404397] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:07:41,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284747112] [2021-11-22 16:07:41,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:07:41,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:07:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:07:41,917 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:07:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2021-11-22 16:07:41,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 16:07:41,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:07:41,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 16:07:41,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:07:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:07:42,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:07:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:07:42,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284747112] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:07:42,032 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:07:42,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2021-11-22 16:07:42,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708974357] [2021-11-22 16:07:42,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:07:42,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:07:42,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:07:42,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:07:42,102 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:07:42,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:07:42,138 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-11-22 16:07:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:07:42,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2021-11-22 16:07:42,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 16:07:42,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-11-22 16:07:42,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 16:07:42,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 16:07:42,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 16:07:42,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:07:42,152 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:07:42,152 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:07:42,152 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:07:42,153 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 16:07:42,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 16:07:42,153 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 16:07:42,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 16:07:42,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 04:07:42 BoogieIcfgContainer [2021-11-22 16:07:42,158 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 16:07:42,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:07:42,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:07:42,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:07:42,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:07:36" (3/4) ... [2021-11-22 16:07:42,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 16:07:42,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:07:42,165 INFO L158 Benchmark]: Toolchain (without parser) took 6602.82ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.6MB in the beginning and 73.5MB in the end (delta: -19.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-22 16:07:42,165 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:07:42,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.31ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 92.5MB in the end (delta: -39.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 16:07:42,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.78ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:07:42,166 INFO L158 Benchmark]: Boogie Preprocessor took 21.97ms. Allocated memory is still 115.3MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:07:42,167 INFO L158 Benchmark]: RCFGBuilder took 251.20ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 82.6MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 16:07:42,167 INFO L158 Benchmark]: BuchiAutomizer took 6019.97ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 73.5MB in the end (delta: 9.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-22 16:07:42,168 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:07:42,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.31ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 92.5MB in the end (delta: -39.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.78ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.97ms. Allocated memory is still 115.3MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.20ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 82.6MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6019.97ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 73.5MB in the end (delta: 9.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 16:07:42,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2021-11-22 16:07:42,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc224195-94fc-4824-8511-d5e6cf36a7bf/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE