./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i --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_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/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_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/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_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/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 51fd8b59df3c6c695de20ee68ac01a4d95dfb387fc1bc7a39558a7f011b3fbfd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:01:35,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:01:35,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:01:36,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:01:36,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:01:36,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:01:36,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:01:36,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:01:36,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:01:36,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:01:36,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:01:36,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:01:36,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:01:36,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:01:36,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:01:36,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:01:36,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:01:36,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:01:36,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:01:36,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:01:36,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:01:36,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:01:36,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:01:36,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:01:36,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:01:36,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:01:36,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:01:36,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:01:36,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:01:36,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:01:36,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:01:36,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:01:36,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:01:36,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:01:36,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:01:36,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:01:36,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:01:36,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:01:36,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:01:36,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:01:36,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:01:36,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:01:36,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:01:36,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:01:36,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:01:36,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:01:36,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:01:36,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:01:36,170 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:01:36,170 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:01:36,170 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:01:36,171 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:01:36,172 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:01:36,172 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:01:36,172 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:01:36,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:01:36,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:01:36,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:01:36,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:01:36,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:01:36,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:01:36,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:01:36,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:01:36,174 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:01:36,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:01:36,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:01:36,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:01:36,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:01:36,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:01:36,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:01:36,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:01:36,179 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:01:36,180 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_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51fd8b59df3c6c695de20ee68ac01a4d95dfb387fc1bc7a39558a7f011b3fbfd [2021-11-20 06:01:36,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:01:36,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:01:36,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:01:36,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:01:36,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:01:36,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i [2021-11-20 06:01:36,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/data/12cb4a554/47ba683f704d4e67b3a6c2da901623bf/FLAG96c19d717 [2021-11-20 06:01:37,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:01:37,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca.i [2021-11-20 06:01:37,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/data/12cb4a554/47ba683f704d4e67b3a6c2da901623bf/FLAG96c19d717 [2021-11-20 06:01:37,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/data/12cb4a554/47ba683f704d4e67b3a6c2da901623bf [2021-11-20 06:01:37,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:01:37,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:01:37,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:01:37,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:01:37,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:01:37,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:37" (1/1) ... [2021-11-20 06:01:37,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c28bb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:37, skipping insertion in model container [2021-11-20 06:01:37,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:37" (1/1) ... [2021-11-20 06:01:37,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:01:37,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:01:38,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:01:38,039 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:01:38,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:01:38,136 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:01:38,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38 WrapperNode [2021-11-20 06:01:38,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:01:38,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:01:38,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:01:38,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:01:38,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,197 INFO L137 Inliner]: procedures = 110, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-20 06:01:38,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:01:38,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:01:38,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:01:38,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:01:38,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:01:38,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:01:38,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:01:38,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:01:38,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (1/1) ... [2021-11-20 06:01:38,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:38,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:38,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:38,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:01:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:01:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:01:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:01:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:01:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:01:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:01:38,445 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:01:38,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:01:38,632 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:01:38,637 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:01:38,638 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:01:38,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:38 BoogieIcfgContainer [2021-11-20 06:01:38,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:01:38,640 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:01:38,641 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:01:38,643 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:01:38,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:01:38,646 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:01:37" (1/3) ... [2021-11-20 06:01:38,651 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a90e1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:01:38, skipping insertion in model container [2021-11-20 06:01:38,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:01:38,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:38" (2/3) ... [2021-11-20 06:01:38,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a90e1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:01:38, skipping insertion in model container [2021-11-20 06:01:38,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:01:38,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:38" (3/3) ... [2021-11-20 06:01:38,654 INFO L388 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca.i [2021-11-20 06:01:38,723 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:01:38,723 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:01:38,723 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:01:38,723 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:01:38,724 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:01:38,724 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:01:38,724 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:01:38,724 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:01:38,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 06:01:38,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:38,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:38,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:38,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:01:38,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:38,783 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:01:38,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 06:01:38,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:38,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:38,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:38,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:01:38,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:38,796 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7#L551-2true [2021-11-20 06:01:38,797 INFO L793 eck$LassoCheckResult]: Loop: 7#L551-2true call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 11#L550-1true assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 9#L550-3true assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 8#L551true assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem8#1; 7#L551-2true [2021-11-20 06:01:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:38,806 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:01:38,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:38,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847229802] [2021-11-20 06:01:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:38,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:38,962 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:39,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2021-11-20 06:01:39,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:39,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144304899] [2021-11-20 06:01:39,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:39,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:39,058 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:39,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-11-20 06:01:39,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:39,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785263656] [2021-11-20 06:01:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:39,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:39,160 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:39,236 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:39,861 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:01:39,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:01:39,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:01:39,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:01:39,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:01:39,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:39,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:01:39,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:01:39,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration1_Lasso [2021-11-20 06:01:39,863 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:01:39,863 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:01:39,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:01:39,937 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 06:01:39,940 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 06:01:39,944 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 06:01:39,947 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 06:01:39,959 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 06:01:40,200 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 06:01:40,204 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 06:01:40,207 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 06:01:40,210 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 06:01:40,215 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 06:01:40,218 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 06:01:40,224 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 06:01:40,226 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 06:01:40,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:01:40,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:01:40,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:40,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:40,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:40,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:40,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:40,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:40,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:40,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:40,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:40,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:01:40,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:40,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:40,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:40,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:40,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:40,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:40,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:40,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:40,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:40,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:01:40,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:40,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:40,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:40,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:01:40,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:40,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:40,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:40,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:40,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:40,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:40,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:40,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:40,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:40,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:40,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:01:40,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:40,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:40,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:40,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:40,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:40,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:40,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:40,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:40,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:40,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:40,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:01:40,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:40,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:40,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:40,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:40,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:40,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:40,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:40,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:40,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:40,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:40,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:01:41,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:41,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:41,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:41,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:41,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:41,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:41,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:41,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:41,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:41,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:41,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:41,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:41,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:41,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:41,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:41,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:41,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:41,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:41,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:41,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:41,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:01:41,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:41,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:41,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:41,146 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:41,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:41,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:41,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:41,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:41,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:41,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:41,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:41,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:41,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:01:41,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:41,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:41,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:41,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:41,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:41,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:01:41,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:41,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:41,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:41,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:41,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:41,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:41,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:41,247 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:01:41,256 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 06:01:41,256 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:01:41,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:41,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:41,269 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:41,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:01:41,271 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:01:41,271 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:01:41,271 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2021-11-20 06:01:41,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:01:41,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:41,363 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:01:41,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:41,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:01:41,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:41,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:01:41,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:41,649 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:41,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:41,730 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 48 transitions. Complement of second has 10 states. [2021-11-20 06:01:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2021-11-20 06:01:41,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-20 06:01:41,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:41,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 06:01:41,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:41,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2021-11-20 06:01:41,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:41,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2021-11-20 06:01:41,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:41,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 16 states and 22 transitions. [2021-11-20 06:01:41,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:01:41,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:01:41,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-11-20 06:01:41,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:01:41,757 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-20 06:01:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-11-20 06:01:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-11-20 06:01:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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 06:01:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-20 06:01:41,780 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-20 06:01:41,781 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-20 06:01:41,781 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:01:41,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-11-20 06:01:41,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:41,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:41,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:41,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:01:41,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:41,783 INFO L791 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 157#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 150#L550-1 assume !main_#t~short6#1; 156#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 151#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 146#L551-2 [2021-11-20 06:01:41,783 INFO L793 eck$LassoCheckResult]: Loop: 146#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 147#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 153#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 154#L551 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem8#1; 146#L551-2 [2021-11-20 06:01:41,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:41,784 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2021-11-20 06:01:41,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:41,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767115344] [2021-11-20 06:01:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:41,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:41,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:41,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767115344] [2021-11-20 06:01:41,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767115344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:41,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:41,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:01:41,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177270624] [2021-11-20 06:01:41,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:41,831 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:01:41,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:41,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2021-11-20 06:01:41,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:41,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887881530] [2021-11-20 06:01:41,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:41,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:41,856 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:41,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:41,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:42,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:42,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:01:42,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:01:42,028 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:01:42,038 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2021-11-20 06:01:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:01:42,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-11-20 06:01:42,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:42,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2021-11-20 06:01:42,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:01:42,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 06:01:42,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-11-20 06:01:42,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:01:42,042 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 06:01:42,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-11-20 06:01:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-20 06:01:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 06:01:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-20 06:01:42,045 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 06:01:42,045 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 06:01:42,045 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:01:42,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-11-20 06:01:42,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:42,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:42,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:42,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:01:42,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:42,047 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 192#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 187#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 190#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 188#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 183#L551-2 [2021-11-20 06:01:42,047 INFO L793 eck$LassoCheckResult]: Loop: 183#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 184#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 194#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 193#L551 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem8#1; 183#L551-2 [2021-11-20 06:01:42,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2021-11-20 06:01:42,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:42,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862166965] [2021-11-20 06:01:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:42,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2021-11-20 06:01:42,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:42,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443697849] [2021-11-20 06:01:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:42,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,086 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:42,095 INFO L85 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2021-11-20 06:01:42,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:42,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773573785] [2021-11-20 06:01:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:42,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,111 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:42,130 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:42,708 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:01:42,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:01:42,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:01:42,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:01:42,709 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:01:42,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:42,709 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:01:42,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:01:42,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration3_Lasso [2021-11-20 06:01:42,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:01:42,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:01:42,713 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 06:01:42,717 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 06:01:42,720 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 06:01:42,971 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 06:01:42,974 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 06:01:42,976 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 06:01:42,979 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 06:01:42,982 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 06:01:42,987 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 06:01:42,991 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 06:01:42,994 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 06:01:42,996 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 06:01:42,999 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 06:01:43,002 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 06:01:43,005 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 06:01:43,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:01:43,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:01:43,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:43,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:43,349 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:43,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:43,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:43,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:43,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:43,367 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:01:43,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:43,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:01:43,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:43,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:01:43,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:43,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:43,418 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:43,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:43,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:43,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:43,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:43,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:43,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:43,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:43,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:43,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:01:43,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:43,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:43,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:43,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:43,494 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:43,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:01:43,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:43,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:43,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:43,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:43,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:43,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:43,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:43,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:43,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:43,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:43,581 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:43,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:01:43,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:43,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:43,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:43,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:43,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:43,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:43,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:43,624 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:01:43,635 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:01:43,635 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:01:43,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:43,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:43,637 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:43,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:01:43,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:01:43,669 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:01:43,669 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:01:43,669 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2021-11-20 06:01:43,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:43,733 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:01:43,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:43,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:01:43,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:43,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:01:43,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:43,905 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:43,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 06:01:43,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Result 22 states and 27 transitions. Complement of second has 7 states. [2021-11-20 06:01:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 06:01:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-20 06:01:43,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 06:01:43,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:43,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 06:01:43,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:43,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 06:01:43,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:43,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2021-11-20 06:01:43,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:43,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2021-11-20 06:01:43,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:01:43,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 06:01:43,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2021-11-20 06:01:43,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:01:43,942 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 06:01:43,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2021-11-20 06:01:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-20 06:01:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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 06:01:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-20 06:01:43,945 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 06:01:43,945 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 06:01:43,945 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:01:43,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-20 06:01:43,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:01:43,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:43,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:43,947 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2021-11-20 06:01:43,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:43,948 INFO L791 eck$LassoCheckResult]: Stem: 316#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 317#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 329#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 333#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 332#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 331#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 330#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 322#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 326#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 323#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 318#L551-2 [2021-11-20 06:01:43,948 INFO L793 eck$LassoCheckResult]: Loop: 318#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 319#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 337#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 336#L551 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem8#1; 318#L551-2 [2021-11-20 06:01:43,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:43,948 INFO L85 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2021-11-20 06:01:43,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:43,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749055354] [2021-11-20 06:01:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:43,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:43,967 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:44,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:44,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2021-11-20 06:01:44,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:44,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585415333] [2021-11-20 06:01:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:44,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:44,022 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:44,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2021-11-20 06:01:44,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:44,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320574114] [2021-11-20 06:01:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:44,053 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:44,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:44,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:44,854 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:01:44,855 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:01:44,855 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:01:44,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:01:44,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:01:44,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:44,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:01:44,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:01:44,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration4_Lasso [2021-11-20 06:01:44,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:01:44,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:01:44,859 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 06:01:44,865 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 06:01:44,868 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 06:01:44,870 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 06:01:44,874 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 06:01:44,876 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 06:01:44,883 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 06:01:44,885 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 06:01:45,098 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 06:01:45,100 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 06:01:45,103 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 06:01:45,105 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 06:01:45,107 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 06:01:45,110 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 06:01:45,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:01:45,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:01:45,352 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:01:45,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,361 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:01:45,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:45,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,373 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:01:45,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,374 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:01:45,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:45,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,416 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:01:45,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:45,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,491 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:45,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:45,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:01:45,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,564 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,579 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 06:01:45,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:01:45,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,641 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:45,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:45,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:45,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:01:45,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,702 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:01:45,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,777 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:01:45,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,827 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:01:45,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 06:01:45,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,863 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:01:45,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,914 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:01:45,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:45,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 06:01:45,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,950 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:01:45,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:45,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:45,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:45,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:45,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:45,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:45,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:45,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:45,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:45,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:45,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:45,997 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:45,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:46,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:01:46,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:46,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:46,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:46,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:46,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:46,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:46,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:46,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:46,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:46,035 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:46,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:01:46,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:46,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:46,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:46,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:46,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:46,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:46,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:46,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:46,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:46,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:46,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:46,093 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:46,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:46,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:46,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:46,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:46,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:46,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:46,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:01:46,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:46,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:46,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:46,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:46,178 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:46,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:46,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:46,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:46,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:46,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:46,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:46,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:46,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:01:46,206 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:01:46,214 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:01:46,214 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:01:46,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:46,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:46,216 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:46,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:01:46,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:01:46,239 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:01:46,239 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:01:46,239 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 Supporting invariants [] [2021-11-20 06:01:46,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:46,304 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:01:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:46,462 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:46,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,485 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2021-11-20 06:01:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-20 06:01:46,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 06:01:46,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:46,487 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:01:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:46,598 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:46,598 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2021-11-20 06:01:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-20 06:01:46,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 06:01:46,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:46,625 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:01:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:46,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:01:46,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:46,749 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:46,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 40 transitions. Complement of second has 6 states. [2021-11-20 06:01:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-20 06:01:46,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 06:01:46,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:46,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-20 06:01:46,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:46,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 8 letters. [2021-11-20 06:01:46,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:46,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2021-11-20 06:01:46,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 06:01:46,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 32 transitions. [2021-11-20 06:01:46,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-20 06:01:46,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 06:01:46,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-11-20 06:01:46,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:01:46,786 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 06:01:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-11-20 06:01:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 10. [2021-11-20 06:01:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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 06:01:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-20 06:01:46,788 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-20 06:01:46,788 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-20 06:01:46,788 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:01:46,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-11-20 06:01:46,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 06:01:46,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:01:46,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:01:46,789 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:01:46,789 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:01:46,789 INFO L791 eck$LassoCheckResult]: Stem: 640#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 641#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 642#L551-2 [2021-11-20 06:01:46,789 INFO L793 eck$LassoCheckResult]: Loop: 642#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 644#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 648#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 646#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 642#L551-2 [2021-11-20 06:01:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-20 06:01:46,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:46,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900661582] [2021-11-20 06:01:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:46,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,795 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:46,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1142249, now seen corresponding path program 1 times [2021-11-20 06:01:46,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:46,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110310356] [2021-11-20 06:01:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:46,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,806 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:46,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2021-11-20 06:01:46,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:46,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228143792] [2021-11-20 06:01:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:46,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,820 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:46,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:47,109 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:01:47,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:01:47,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:01:47,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:01:47,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:01:47,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:01:47,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:01:47,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca.i_Iteration5_Lasso [2021-11-20 06:01:47,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:01:47,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:01:47,111 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 06:01:47,114 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 06:01:47,117 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 06:01:47,119 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 06:01:47,121 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 06:01:47,124 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 06:01:47,126 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 06:01:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:01:47,132 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 06:01:47,134 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 06:01:47,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:01:47,138 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 06:01:47,140 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 06:01:47,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:01:47,579 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:01:47,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,580 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:47,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:47,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:47,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:47,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:01:47,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:47,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:47,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,650 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:47,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:47,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:47,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:47,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:01:47,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:47,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:47,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,719 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:47,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:47,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:47,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:47,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:01:47,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:47,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:47,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,786 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:01:47,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:47,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:47,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:47,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:47,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,865 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:47,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:47,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:47,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:47,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:01:47,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:47,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:47,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:47,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:47,942 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:47,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:47,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:47,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:47,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:47,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:47,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:47,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:47,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:47,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:01:47,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:48,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,009 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:01:48,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:48,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,083 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:01:48,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:01:48,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 06:01:48,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,117 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:01:48,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:48,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:48,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:48,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:48,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,150 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:01:48,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:48,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:48,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:48,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 06:01:48,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,192 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:01:48,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 06:01:48,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,226 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:01:48,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 06:01:48,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,261 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:01:48,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 06:01:48,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,311 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:01:48,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 06:01:48,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,346 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,363 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 06:01:48,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:01:48,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:48,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,423 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:01:48,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:01:48,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,494 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:01:48,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:01:48,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,564 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:01:48,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:01:48,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:01:48,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:01:48,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:48,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,599 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:01:48,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 06:01:48,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:01:48,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:01:48,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:01:48,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:01:48,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:01:48,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:01:48,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:01:48,613 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:01:48,615 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-20 06:01:48,615 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 06:01:48,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:01:48,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:48,616 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:01:48,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:01:48,618 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:01:48,618 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:01:48,618 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4 Supporting invariants [] [2021-11-20 06:01:48,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:01:48,670 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:01:48,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:48,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:01:48,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:48,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:01:48,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:48,819 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:01:48,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:48,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 8 states. [2021-11-20 06:01:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-20 06:01:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-11-20 06:01:48,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-20 06:01:48,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:48,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 06:01:48,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:48,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 8 letters. [2021-11-20 06:01:48,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:01:48,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-11-20 06:01:48,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:01:48,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-11-20 06:01:48,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:01:48,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:01:48,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:01:48,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:48,885 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:01:48,885 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:01:48,885 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:01:48,886 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:01:48,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:01:48,886 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:01:48,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:01:48,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:01:48 BoogieIcfgContainer [2021-11-20 06:01:48,894 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:01:48,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:01:48,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:01:48,895 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:01:48,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:38" (3/4) ... [2021-11-20 06:01:48,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:01:48,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:01:48,899 INFO L158 Benchmark]: Toolchain (without parser) took 11349.08ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 65.1MB in the end (delta: 25.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,900 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:01:48,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.87ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 89.8MB in the end (delta: 706.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,901 INFO L158 Benchmark]: Boogie Preprocessor took 48.44ms. Allocated memory is still 119.5MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,902 INFO L158 Benchmark]: RCFGBuilder took 392.07ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 77.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,902 INFO L158 Benchmark]: BuchiAutomizer took 10253.53ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 65.1MB in the end (delta: 11.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:48,902 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 148.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:01:48,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.87ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 89.8MB in the end (delta: 706.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.44ms. Allocated memory is still 119.5MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.07ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 77.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10253.53ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 65.1MB in the end (delta: 11.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 148.9MB. Free memory is still 65.1MB. 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 50 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital244 mio100 ax109 hnf100 lsp86 ukn64 mio100 lsp39 div100 bol100 ite100 ukn100 eq181 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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 06:01:48,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:49,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_705e03c1-e467-4ebc-9dbb-e3b71bf9271c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE