./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF --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-53f42b1 [2021-11-20 06:48:56,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:48:56,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:48:56,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:48:56,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:48:56,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:48:56,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:48:56,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:48:56,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:48:56,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:48:56,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:48:56,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:48:56,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:48:56,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:48:56,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:48:56,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:48:56,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:48:56,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:48:56,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:48:56,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:48:56,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:48:56,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:48:56,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:48:56,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:48:56,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:48:56,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:48:56,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:48:56,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:48:56,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:48:56,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:48:56,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:48:56,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:48:56,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:48:56,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:48:56,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:48:56,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:48:56,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:48:56,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:48:56,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:48:56,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:48:56,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:48:56,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:48:56,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:48:56,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:48:56,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:48:56,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:48:56,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:48:56,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:48:56,148 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:48:56,148 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:48:56,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:48:56,149 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:48:56,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:48:56,150 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:48:56,150 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:48:56,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:48:56,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:48:56,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:48:56,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:48:56,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:48:56,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:48:56,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:48:56,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:48:56,153 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:48:56,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:48:56,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:48:56,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:48:56,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:48:56,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:48:56,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:48:56,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:48:56,157 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:48:56,157 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_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 [2021-11-20 06:48:56,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:48:56,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:48:56,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:48:56,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:48:56,554 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:48:56,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2021-11-20 06:48:56,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/data/c98636efa/f0fe86e8e5274f8cb81864c1d5746122/FLAGe222012ec [2021-11-20 06:48:57,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:48:57,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2021-11-20 06:48:57,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/data/c98636efa/f0fe86e8e5274f8cb81864c1d5746122/FLAGe222012ec [2021-11-20 06:48:57,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/data/c98636efa/f0fe86e8e5274f8cb81864c1d5746122 [2021-11-20 06:48:57,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:48:57,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:48:57,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:48:57,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:48:57,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:48:57,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:48:57" (1/1) ... [2021-11-20 06:48:57,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221bc395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:57, skipping insertion in model container [2021-11-20 06:48:57,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:48:57" (1/1) ... [2021-11-20 06:48:57,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:48:57,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:48:57,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:48:57,998 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:48:58,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:48:58,034 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:48:58,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58 WrapperNode [2021-11-20 06:48:58,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:48:58,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:48:58,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:48:58,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:48:58,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,076 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2021-11-20 06:48:58,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:48:58,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:48:58,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:48:58,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:48:58,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:48:58,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:48:58,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:48:58,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:48:58,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (1/1) ... [2021-11-20 06:48:58,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:58,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:58,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:58,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:48:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:48:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:48:58,281 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:48:58,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:48:58,381 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:48:58,391 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:48:58,391 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:48:58,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:58 BoogieIcfgContainer [2021-11-20 06:48:58,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:48:58,397 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:48:58,397 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:48:58,401 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:48:58,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:48:58,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:48:57" (1/3) ... [2021-11-20 06:48:58,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@99f80c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:48:58, skipping insertion in model container [2021-11-20 06:48:58,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:48:58,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:58" (2/3) ... [2021-11-20 06:48:58,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@99f80c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:48:58, skipping insertion in model container [2021-11-20 06:48:58,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:48:58,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:58" (3/3) ... [2021-11-20 06:48:58,409 INFO L388 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4.c [2021-11-20 06:48:58,480 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:48:58,481 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:48:58,481 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:48:58,481 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:48:58,481 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:48:58,482 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:48:58,482 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:48:58,482 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:48:58,502 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) [2021-11-20 06:48:58,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:48:58,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:48:58,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:48:58,534 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:48:58,534 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:48:58,535 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:48:58,535 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) [2021-11-20 06:48:58,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:48:58,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:48:58,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:48:58,538 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:48:58,539 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:48:58,547 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 [2021-11-20 06:48:58,547 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 [2021-11-20 06:48:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 06:48:58,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:58,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356678621] [2021-11-20 06:48:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:58,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,679 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:48:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:48:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:58,729 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-11-20 06:48:58,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:58,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721542915] [2021-11-20 06:48:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:58,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:48:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:48:58,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-11-20 06:48:58,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:58,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978009837] [2021-11-20 06:48:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:58,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,781 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:48:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:48:58,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:48:58,936 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:48:58,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:48:58,938 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:48:58,938 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:48:58,938 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:48:58,938 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:58,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:48:58,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:48:58,939 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2021-11-20 06:48:58,940 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:48:58,940 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:48:58,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:58,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:58,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:58,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:58,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:48:59,095 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:48:59,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:48:59,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:48:59,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:48:59,162 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:48:59,163 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: [] [2021-11-20 06:48:59,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:48:59,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:48:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:48:59,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-20 06:48:59,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:48:59,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:48:59,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:48:59,502 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:48:59,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,511 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:48:59,511 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:48:59,511 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:48:59,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:48:59,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:48:59,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:48:59,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:48:59,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2021-11-20 06:48:59,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:48:59,514 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:48:59,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:48:59,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:48:59,627 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:48:59,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:48:59,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:48:59,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:48:59,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:48:59,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:48:59,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:48:59,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:48:59,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:48:59,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:48:59,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:48:59,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:48:59,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:48:59,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:48:59,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:48:59,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:48:59,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:48:59,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:48:59,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:48:59,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,823 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:48:59,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:48:59,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:48:59,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:48:59,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:48:59,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:48:59,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:48:59,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:48:59,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:48:59,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:48:59,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,907 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:48:59,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:48:59,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:48:59,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:48:59,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:48:59,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:48:59,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:48:59,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:48:59,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:48:59,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:48:59,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:48:59,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:48:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:48:59,982 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:48:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:48:59,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:48:59,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:48:59,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:49:00,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:49:00,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:49:00,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 06:49:00,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,056 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:49:00,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:49:00,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:49:00,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,101 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:49:00,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:49:00,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,127 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:00,128 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:00,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,219 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,244 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,252 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:00,253 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:00,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:49:00,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,317 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,337 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:00,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:49:00,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,404 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:49:00,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,424 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,425 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:00,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-20 06:49:00,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,493 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:49:00,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,506 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,510 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:00,511 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:00,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:49:00,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,588 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:00,589 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:00,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-20 06:49:00,618 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:49:00,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,620 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:49:00,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,632 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:00,638 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:00,638 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:00,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,716 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:49:00,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,737 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:00,750 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:00,750 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:00,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-20 06:49:00,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,843 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:49:00,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:00,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:00,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,915 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:49:00,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:00,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:00,934 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:00,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:00,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:00,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:00,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:00,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:00,976 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:00,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:49:00,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:00,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:00,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:00,988 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:00,993 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:00,993 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:01,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,055 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:49:01,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,072 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:01,073 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:01,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,162 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:49:01,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,164 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,183 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,189 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:01,190 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:01,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:49:01,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-20 06:49:01,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,250 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:49:01,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,262 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,290 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:01,290 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:01,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,361 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,379 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,381 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:01,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:49:01,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,440 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,464 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,466 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:01,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:49:01,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,526 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,541 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,548 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:01,548 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:01,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:49:01,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,618 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:49:01,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:49:01,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,631 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:01,633 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:01,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,658 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:49:01,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,659 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:49:01,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:01,676 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:01,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,676 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:01,685 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:01,685 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:01,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,754 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:49:01,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:01,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:01,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:01,784 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:01,785 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:01,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:01,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,857 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:49:01,870 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:01,870 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:01,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,871 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:01,872 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:01,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:01,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 06:49:01,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:01,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:01,916 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:01,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:49:01,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:01,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:01,955 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:01,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:01,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:01,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:01,955 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:01,961 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:01,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:01,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,012 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,029 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,029 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:02,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:02,033 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:49:02,033 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:49:02,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:49:02,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,087 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:49:02,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,098 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:02,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:49:02,100 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:49:02,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,173 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:49:02,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,175 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:49:02,193 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,194 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,198 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:02,198 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:02,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,266 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,282 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,282 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,289 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:02,289 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:02,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:49:02,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,359 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:49:02,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,374 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,375 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,375 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,377 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:02,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,408 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:49:02,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,420 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,420 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,420 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:02,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,463 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:49:02,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,475 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,482 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:02,482 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:02,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,546 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,559 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 [2021-11-20 06:49:02,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,570 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:49:02,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,571 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:02,572 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:02,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:49:02,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,627 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:49:02,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,628 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:49:02,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,639 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:02,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:02,645 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:02,645 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:02,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,711 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,729 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,730 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:02,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,730 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:02,738 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:02,739 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:02,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:49:02,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,803 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:02,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,817 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:02,819 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:02,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:49:02,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:02,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,871 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,884 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:02,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:02,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,885 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:02,887 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:02,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:02,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:49:02,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:02,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 06:49:02,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:02,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:02,925 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:49:02,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:02,937 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:02,938 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:02,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:02,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:02,938 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:02,944 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:49:02,944 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:49:02,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,014 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,031 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,031 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:49:03,033 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:49:03,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:49:03,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,083 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:49:03,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,085 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,107 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,107 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,111 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:03,111 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:03,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:49:03,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,175 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,194 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,195 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:49:03,201 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:03,202 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:03,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:49:03,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,252 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:49:03,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,263 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,263 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,264 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:03,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:49:03,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,292 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:49:03,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,303 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,304 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:03,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,338 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:49:03,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,348 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,349 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,352 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:49:03,352 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:49:03,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,421 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:49:03,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,441 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:49:03,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,441 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:49:03,442 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:49:03,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,482 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:49:03,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,483 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:49:03,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,494 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,494 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,500 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:49:03,500 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:49:03,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,574 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,590 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,591 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,599 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:49:03,599 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:49:03,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:49:03,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,686 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,702 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,702 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,703 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:49:03,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:49:03,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,765 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,782 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,783 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,783 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:49:03,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:49:03,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,838 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,853 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,854 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,859 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:49:03,859 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:49:03,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:49:03,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:49:03,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:03,926 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:49:03,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:49:03,942 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:49:03,942 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:49:03,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:49:03,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:49:03,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:49:03,942 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:49:03,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:49:03,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:49:03,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:49:03,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:49:03,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:03,992 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 06:49:03,992 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 [2021-11-20 06:49:03,992 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 [2021-11-20 06:49:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 2 times [2021-11-20 06:49:03,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:03,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452533980] [2021-11-20 06:49:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:03,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:49:04,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:49:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:49:04,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:49:04,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:04,024 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 2 times [2021-11-20 06:49:04,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:04,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442553852] [2021-11-20 06:49:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:04,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:49:04,035 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:49:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:49:04,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:49:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:04,047 INFO L85 PathProgramCache]: Analyzing trace with hash 28693986, now seen corresponding path program 3 times [2021-11-20 06:49:04,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:04,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624825805] [2021-11-20 06:49:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:04,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:49:04,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:49:04,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624825805] [2021-11-20 06:49:04,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624825805] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:49:04,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742780019] [2021-11-20 06:49:04,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:49:04,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:49:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:04,133 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:49:04,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2021-11-20 06:49:04,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:49:04,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:49:04,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:49:04,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:49:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:49:04,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:49:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:49:04,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742780019] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:49:04,299 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:49:04,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2021-11-20 06:49:04,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353662942] [2021-11-20 06:49:04,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:49:04,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:49:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:49:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:49:04,378 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) [2021-11-20 06:49:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:49:04,413 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-11-20 06:49:04,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:49:04,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2021-11-20 06:49:04,426 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:49:04,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-11-20 06:49:04,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:49:04,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:49:04,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:49:04,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:49:04,432 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:49:04,432 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:49:04,432 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:49:04,432 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:49:04,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:49:04,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:49:04,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:49:04,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:49:04 BoogieIcfgContainer [2021-11-20 06:49:04,439 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:49:04,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:49:04,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:49:04,440 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:49:04,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:58" (3/4) ... [2021-11-20 06:49:04,444 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:49:04,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:49:04,448 INFO L158 Benchmark]: Toolchain (without parser) took 6787.31ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 63.3MB in the beginning and 75.4MB in the end (delta: -12.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-20 06:49:04,448 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:49:04,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.56ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 76.6MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:49:04,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:49:04,450 INFO L158 Benchmark]: Boogie Preprocessor took 22.59ms. Allocated memory is still 100.7MB. Free memory was 75.1MB in the beginning and 74.3MB in the end (delta: 875.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:49:04,451 INFO L158 Benchmark]: RCFGBuilder took 294.00ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 66.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:49:04,451 INFO L158 Benchmark]: BuchiAutomizer took 6041.81ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.2MB in the beginning and 75.4MB in the end (delta: -9.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-20 06:49:04,452 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 125.8MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:49:04,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.56ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 76.6MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.59ms. Allocated memory is still 100.7MB. Free memory was 75.1MB in the beginning and 74.3MB in the end (delta: 875.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.00ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 66.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6041.81ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.2MB in the beginning and 75.4MB in the end (delta: -9.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 125.8MB. Free memory is still 75.4MB. 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! [2021-11-20 06:49:04,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:49:04,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcff6de8-3ffb-4152-99b8-24383d022422/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE