./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be --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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:47:04,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:47:04,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:47:04,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:47:04,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:47:04,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:47:04,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:47:04,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:47:04,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:47:04,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:47:04,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:47:04,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:47:04,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:47:04,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:47:04,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:47:04,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:47:04,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:47:04,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:47:04,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:47:04,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:47:04,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:47:04,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:47:04,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:47:04,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:47:04,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:47:04,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:47:04,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:47:04,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:47:04,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:47:04,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:47:04,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:47:04,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:47:04,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:47:04,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:47:04,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:47:04,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:47:04,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:47:04,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:47:04,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:47:04,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:47:04,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:47:04,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:47:04,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:47:04,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:47:04,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:47:04,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:47:04,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:47:04,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:47:04,544 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:47:04,544 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:47:04,544 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:47:04,545 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:47:04,546 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:47:04,546 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:47:04,546 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:47:04,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:47:04,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:47:04,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:47:04,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:47:04,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:47:04,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:47:04,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:47:04,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:47:04,549 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:47:04,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:47:04,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:47:04,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:47:04,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:47:04,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:47:04,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:47:04,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:47:04,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:47:04,553 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_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2021-10-21 19:47:04,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:47:04,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:47:04,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:47:04,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:47:04,876 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:47:04,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-21 19:47:04,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/data/effcc379c/71ef022dbe3946c7831b9ace5ad6c029/FLAGb36bb742b [2021-10-21 19:47:05,642 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:47:05,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-21 19:47:05,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/data/effcc379c/71ef022dbe3946c7831b9ace5ad6c029/FLAGb36bb742b [2021-10-21 19:47:05,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/data/effcc379c/71ef022dbe3946c7831b9ace5ad6c029 [2021-10-21 19:47:05,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:47:05,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:47:05,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:47:05,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:47:05,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:47:05,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:47:05" (1/1) ... [2021-10-21 19:47:05,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6500ca41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:05, skipping insertion in model container [2021-10-21 19:47:05,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:47:05" (1/1) ... [2021-10-21 19:47:05,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:47:05,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:47:06,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:47:06,314 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:47:06,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:47:06,426 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:47:06,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06 WrapperNode [2021-10-21 19:47:06,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:47:06,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:47:06,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:47:06,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:47:06,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:47:06,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:47:06,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:47:06,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:47:06,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:47:06,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:47:06,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:47:06,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:47:06,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (1/1) ... [2021-10-21 19:47:06,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:06,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:06,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:06,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:47:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:47:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:47:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:47:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:47:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:47:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:47:06,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:47:06,863 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 19:47:06,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:47:06 BoogieIcfgContainer [2021-10-21 19:47:06,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:47:06,867 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:47:06,867 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:47:06,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:47:06,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:47:06,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:47:05" (1/3) ... [2021-10-21 19:47:06,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b1cb54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:47:06, skipping insertion in model container [2021-10-21 19:47:06,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:47:06,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:06" (2/3) ... [2021-10-21 19:47:06,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b1cb54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:47:06, skipping insertion in model container [2021-10-21 19:47:06,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:47:06,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:47:06" (3/3) ... [2021-10-21 19:47:06,877 INFO L389 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-10-21 19:47:06,931 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:47:06,931 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:47:06,931 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:47:06,932 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:47:06,932 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:47:06,932 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:47:06,932 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:47:06,932 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:47:06,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2021-10-21 19:47:06,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:47:06,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:47:06,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:47:06,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:47:07,010 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:47:07,011 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:47:07,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2021-10-21 19:47:07,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:47:07,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:47:07,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:47:07,017 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:47:07,017 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:47:07,025 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 11#L530true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L534true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 16#L514true assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 21#L514-2true assume strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 9#L515-4true [2021-10-21 19:47:07,028 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5.base, strlcpy_#t~post5.offset := strlcpy_~d~0.base, strlcpy_~d~0.offset;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_#t~post5.base, 1 + strlcpy_#t~post5.offset;strlcpy_#t~post6.base, strlcpy_#t~post6.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post6.base, 1 + strlcpy_#t~post6.offset;call strlcpy_#t~mem7 := read~int(strlcpy_#t~post6.base, strlcpy_#t~post6.offset, 1);call write~int(strlcpy_#t~mem7, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7);havoc strlcpy_#t~post5.base, strlcpy_#t~post5.offset;havoc strlcpy_#t~post6.base, strlcpy_#t~post6.offset;havoc strlcpy_#t~mem7; 6#L515-1true strlcpy_#t~pre4 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4 % 4294967296);havoc strlcpy_#t~pre4; 9#L515-4true [2021-10-21 19:47:07,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:07,035 INFO L82 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-10-21 19:47:07,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:07,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576402215] [2021-10-21 19:47:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:07,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,219 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:07,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-10-21 19:47:07,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:07,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113783835] [2021-10-21 19:47:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:07,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:07,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:07,338 INFO L82 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-10-21 19:47:07,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:07,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507355361] [2021-10-21 19:47:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:07,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,393 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:07,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:09,015 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:47:09,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:47:09,017 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:47:09,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:47:09,017 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:47:09,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:09,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:47:09,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:47:09,018 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-10-21 19:47:09,018 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:47:09,018 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:47:09,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:09,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:10,638 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:47:10,644 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:47:10,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:10,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:10,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:10,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:10,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:10,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:10,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:10,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:10,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:10,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:10,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:47:10,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:10,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:10,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:10,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:10,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:10,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:10,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:10,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:10,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:10,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:10,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:10,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:10,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:47:10,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:10,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:10,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:10,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:10,828 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 [2021-10-21 19:47:10,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:10,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:10,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:47:10,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:10,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:10,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:10,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:10,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:10,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:10,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:10,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:10,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:10,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:10,908 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 [2021-10-21 19:47:10,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:10,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:10,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:10,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:10,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:10,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:10,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:47:10,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:10,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:10,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:10,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:10,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:47:10,991 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 [2021-10-21 19:47:11,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:47:11,059 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 [2021-10-21 19:47:11,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,095 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:47:11,100 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 [2021-10-21 19:47:11,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:47:11,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:11,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:11,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:11,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,195 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:47:11,196 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 [2021-10-21 19:47:11,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,232 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:47:11,234 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 [2021-10-21 19:47:11,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:47:11,269 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 [2021-10-21 19:47:11,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,310 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:47:11,316 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 [2021-10-21 19:47:11,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,349 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,350 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 [2021-10-21 19:47:11,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:47:11,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:47:11,400 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 [2021-10-21 19:47:11,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,439 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:47:11,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:11,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,479 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:47:11,480 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 [2021-10-21 19:47:11,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,524 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:47:11,526 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 [2021-10-21 19:47:11,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-21 19:47:11,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,568 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:47:11,569 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 [2021-10-21 19:47:11,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:11,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:11,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:11,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,611 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:47:11,621 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 [2021-10-21 19:47:11,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:11,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:11,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:11,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:11,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:11,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:11,666 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:47:11,719 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-21 19:47:11,719 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-21 19:47:11,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:11,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:11,739 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:11,771 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:47:11,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:47:11,793 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:47:11,793 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:47:11,793 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1) = -1*ULTIMATE.start_strlcpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 Supporting invariants [] [2021-10-21 19:47:11,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:11,904 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-10-21 19:47:11,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:11,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:47:11,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:12,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:47:12,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:47:12,225 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 19:47:12,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-10-21 19:47:12,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 49 states and 71 transitions. Complement of second has 8 states. [2021-10-21 19:47:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:47:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-10-21 19:47:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-10-21 19:47:12,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 19:47:12,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:12,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-21 19:47:12,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:12,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-21 19:47:12,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:12,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-10-21 19:47:12,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:47:12,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-10-21 19:47:12,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 19:47:12,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 19:47:12,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-10-21 19:47:12,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:47:12,378 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-21 19:47:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-10-21 19:47:12,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-10-21 19:47:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2021-10-21 19:47:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-10-21 19:47:12,408 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-21 19:47:12,409 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-21 19:47:12,409 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:47:12,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-10-21 19:47:12,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:47:12,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:47:12,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:47:12,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:12,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:47:12,412 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 196#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 188#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 189#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 202#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 194#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 199#L521 assume !(0 != strlcpy_~siz % 4294967296); 200#L523-2 [2021-10-21 19:47:12,412 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 200#L523-2 [2021-10-21 19:47:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-10-21 19:47:12,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320276009] [2021-10-21 19:47:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:47:12,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:47:12,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320276009] [2021-10-21 19:47:12,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320276009] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:47:12,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:47:12,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:47:12,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724534752] [2021-10-21 19:47:12,644 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:47:12,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,645 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-10-21 19:47:12,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509582309] [2021-10-21 19:47:12,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,652 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:12,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:47:12,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:47:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:47:12,705 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-10-21 19:47:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:47:12,777 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-10-21 19:47:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:47:12,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2021-10-21 19:47:12,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-21 19:47:12,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2021-10-21 19:47:12,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:47:12,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:47:12,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-10-21 19:47:12,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:47:12,781 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-10-21 19:47:12,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-10-21 19:47:12,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-10-21 19:47:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:47:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-21 19:47:12,785 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 19:47:12,785 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 19:47:12,785 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:47:12,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-21 19:47:12,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:47:12,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:47:12,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:47:12,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:12,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:47:12,788 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 242#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 251#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 243#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 244#L514 assume !strlcpy_#t~short3; 257#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 260#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 259#L521 assume !(0 != strlcpy_~siz % 4294967296); 255#L523-2 [2021-10-21 19:47:12,788 INFO L793 eck$LassoCheckResult]: Loop: 255#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 256#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 255#L523-2 [2021-10-21 19:47:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,789 INFO L82 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-10-21 19:47:12,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140603091] [2021-10-21 19:47:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,804 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:12,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-10-21 19:47:12,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80534943] [2021-10-21 19:47:12,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-10-21 19:47:12,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:12,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821997157] [2021-10-21 19:47:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:12,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,887 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:12,933 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:13,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:13,792 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:47:13,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:47:13,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:47:13,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:47:13,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:47:13,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:13,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:47:13,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:47:13,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-10-21 19:47:13,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:47:13,793 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:47:13,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:13,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:14,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:14,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:14,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:47:14,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:47:14,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,643 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,645 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 [2021-10-21 19:47:14,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:47:14,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:14,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,700 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,707 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 [2021-10-21 19:47:14,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:47:14,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 19:47:14,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,747 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,749 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 [2021-10-21 19:47:14,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:47:14,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:14,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:14,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:14,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,790 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:47:14,792 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 [2021-10-21 19:47:14,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:14,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,827 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:47:14,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:14,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:14,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,862 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:47:14,866 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 [2021-10-21 19:47:14,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:14,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:14,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:14,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:14,949 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:14,951 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 [2021-10-21 19:47:14,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:14,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:14,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:14,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:14,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:14,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:14,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:14,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:47:14,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,014 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:47:15,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:15,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,064 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:47:15,066 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 [2021-10-21 19:47:15,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,151 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 [2021-10-21 19:47:15,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:47:15,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 19:47:15,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,217 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:47:15,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:15,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,263 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:47:15,265 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 [2021-10-21 19:47:15,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,334 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:47:15,338 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 [2021-10-21 19:47:15,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,396 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:47:15,398 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 [2021-10-21 19:47:15,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 19:47:15,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,429 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,430 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 [2021-10-21 19:47:15,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:47:15,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,478 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:47:15,480 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 [2021-10-21 19:47:15,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:47:15,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,523 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:47:15,542 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 [2021-10-21 19:47:15,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,615 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,620 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 [2021-10-21 19:47:15,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:47:15,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,630 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:47:15,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,631 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:47:15,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:47:15,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:47:15,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,691 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,699 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 [2021-10-21 19:47:15,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:47:15,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 19:47:15,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,754 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:47:15,757 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 [2021-10-21 19:47:15,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 19:47:15,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,818 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:47:15,820 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 [2021-10-21 19:47:15,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 19:47:15,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,857 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:47:15,859 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 [2021-10-21 19:47:15,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:15,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:15,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:15,936 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:15,939 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 [2021-10-21 19:47:15,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:15,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:15,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:15,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:15,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:15,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:15,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:47:15,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:16,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:16,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:16,018 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:16,024 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 [2021-10-21 19:47:16,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:16,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:16,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:16,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:16,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:16,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:16,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:47:16,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:47:16,091 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:47:16,091 INFO L444 ModelExtractionUtils]: 25 out of 37 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-21 19:47:16,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:16,093 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:16,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:47:16,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:47:16,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:47:16,128 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:47:16,128 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-21 19:47:16,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:16,178 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-10-21 19:47:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:16,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:47:16,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:16,281 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:47:16,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:47:16,315 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:47:16,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 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) [2021-10-21 19:47:16,354 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. 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 24 states and 30 transitions. Complement of second has 5 states. [2021-10-21 19:47:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:47:16,355 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) [2021-10-21 19:47:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-10-21 19:47:16,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 19:47:16,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:16,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 19:47:16,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:16,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-21 19:47:16,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:16,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-21 19:47:16,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:47:16,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-10-21 19:47:16,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 19:47:16,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-21 19:47:16,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-10-21 19:47:16,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:47:16,359 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-21 19:47:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-10-21 19:47:16,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-10-21 19:47:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 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) [2021-10-21 19:47:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-21 19:47:16,362 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-21 19:47:16,362 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-21 19:47:16,362 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:47:16,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-10-21 19:47:16,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:47:16,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:47:16,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:47:16,364 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:47:16,364 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:47:16,364 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 371#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 380#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 376#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 377#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 386#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 378#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 383#L521 assume 0 != strlcpy_~siz % 4294967296;call write~int(0, strlcpy_~d~0.base, strlcpy_~d~0.offset, 1); 384#L523-2 [2021-10-21 19:47:16,364 INFO L793 eck$LassoCheckResult]: Loop: 384#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 385#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 384#L523-2 [2021-10-21 19:47:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:16,365 INFO L82 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-10-21 19:47:16,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:16,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277517628] [2021-10-21 19:47:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:16,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:16,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-10-21 19:47:16,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:16,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716607996] [2021-10-21 19:47:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:16,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,415 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-10-21 19:47:16,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:47:16,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726657864] [2021-10-21 19:47:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:47:16,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:47:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,453 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:47:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:47:16,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:47:17,367 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:47:17,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:47:17,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:47:17,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:47:17,368 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:47:17,368 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:17,368 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:47:17,368 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:47:17,368 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-10-21 19:47:17,368 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:47:17,368 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:47:17,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:17,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:17,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:47:18,219 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:47:18,220 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:47:18,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,221 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,235 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 [2021-10-21 19:47:18,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:18,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:18,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:18,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:18,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:18,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:18,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:47:18,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:18,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:18,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,300 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,302 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 [2021-10-21 19:47:18,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:18,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:18,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:18,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:18,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:18,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:47:18,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:18,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:18,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,395 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:47:18,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:47:18,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:18,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:18,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:18,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:18,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:18,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:18,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:18,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-21 19:47:18,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,461 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,463 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 [2021-10-21 19:47:18,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:47:18,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:18,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:18,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:18,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:18,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:18,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:18,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:47:18,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:18,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,501 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:47:18,502 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 [2021-10-21 19:47:18,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:47:18,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:47:18,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:47:18,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:47:18,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:47:18,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:47:18,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:47:18,575 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:47:18,575 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-21 19:47:18,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:47:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:47:18,577 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:47:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:47:18,578 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:47:18,588 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:47:18,588 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:47:18,588 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-21 19:47:18,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:18,636 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-21 19:47:18,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:47:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:18,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:47:18,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:47:18,743 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:47:18,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:47:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:47:18,791 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:47:18,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2021-10-21 19:47:18,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 19 states and 23 transitions. Complement of second has 5 states. [2021-10-21 19:47:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:47:18,832 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) [2021-10-21 19:47:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-21 19:47:18,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 19:47:18,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:18,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 19:47:18,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:18,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-21 19:47:18,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:47:18,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-21 19:47:18,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:47:18,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-10-21 19:47:18,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:47:18,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:47:18,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:47:18,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:47:18,839 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:47:18,839 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:47:18,839 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:47:18,840 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:47:18,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:47:18,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:47:18,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:47:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:47:18 BoogieIcfgContainer [2021-10-21 19:47:18,847 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:47:18,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:47:18,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:47:18,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:47:18,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:47:06" (3/4) ... [2021-10-21 19:47:18,853 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:47:18,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:47:18,855 INFO L168 Benchmark]: Toolchain (without parser) took 12971.56 ms. Allocated memory was 148.9 MB in the beginning and 188.7 MB in the end (delta: 39.8 MB). Free memory was 116.2 MB in the beginning and 84.4 MB in the end (delta: 31.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,855 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 92.3 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:47:18,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.36 ms. Allocated memory is still 148.9 MB. Free memory was 115.8 MB in the beginning and 118.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.07 ms. Allocated memory is still 148.9 MB. Free memory was 118.9 MB in the beginning and 117.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,860 INFO L168 Benchmark]: Boogie Preprocessor took 35.00 ms. Allocated memory is still 148.9 MB. Free memory was 117.2 MB in the beginning and 115.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,861 INFO L168 Benchmark]: RCFGBuilder took 346.06 ms. Allocated memory is still 148.9 MB. Free memory was 115.7 MB in the beginning and 104.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,861 INFO L168 Benchmark]: BuchiAutomizer took 11980.51 ms. Allocated memory was 148.9 MB in the beginning and 188.7 MB in the end (delta: 39.8 MB). Free memory was 104.2 MB in the beginning and 85.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,862 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 188.7 MB. Free memory was 85.5 MB in the beginning and 84.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:18,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 92.3 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.36 ms. Allocated memory is still 148.9 MB. Free memory was 115.8 MB in the beginning and 118.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.07 ms. Allocated memory is still 148.9 MB. Free memory was 118.9 MB in the beginning and 117.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.00 ms. Allocated memory is still 148.9 MB. Free memory was 117.2 MB in the beginning and 115.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 346.06 ms. Allocated memory is still 148.9 MB. Free memory was 115.7 MB in the beginning and 104.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11980.51 ms. Allocated memory was 148.9 MB in the beginning and 188.7 MB in the end (delta: 39.8 MB). Free memory was 104.2 MB in the beginning and 85.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 188.7 MB. Free memory was 85.5 MB in the beginning and 84.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 10.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 20.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 79 SDtfs, 119 SDslu, 41 SDs, 0 SdLazy, 48 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp97 ukn85 mio100 lsp38 div188 bol100 ite100 ukn100 eq174 hnf66 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms 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! [2021-10-21 19:47:18,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:47:19,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d153b2b4-adf9-4208-ad4e-cb03a883427a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...